The following research articles have been identified that lend credibility to bullying in the workplace. 

Ayoko, O. B., Callan, V., J., & Hartel, C. E. J. (2003). Workplace conflict, bullying, and counterproductive behaviors. The International Journal of Organizational Analysis, 11(4), 283-301.

Baron, R. A., & Neuman, J. H. (1996). Workplace violence and workplace aggression: Evidence on their relative frequency and potential causes. Aggressive Behavior, 22, 161-173.

Baron, R. A., & Neuman, J. H. (1998). Workplace aggression--The iceberg beneath the tip of workplace violence: Evidence on its forms, frequency, and targets. Public Administration Quarterly, 21, 446-464.

Bullying, harassment and discrimination. (2004). Australian Public Service. Retrieved December 11, 2005, from http://www.apsc.gov.au/stateoftheservice/0304/chapter8k.htm.

Cortina, L. M., Magley, V. J., Williams, J. H., & Langhout, R. D. (2001). Incivility in the workplace: Incidence and impact. Journal of Occupational Health Psychology, 6, 64-80.

Di Martino, V., Hoel, H., & Cooper, C. L. (2003). Preventing violence and harassment in the workplace. European Foundation for the Improvement of Living and Working Conditions. Retrieved December 21, 2003, from http://www.eurofound.eu.int/publications/files/EF02109EN.pdf.

Einarsen, S., & Skogstad, A. (1996). Bullying at work: Epidemiological findings in public and private organizations. European Journal of Work and Organizational Psychology, 5, 185-201.

Hoel, H., & Cooper, C. L. (2000). Destructive conflict and bullying at work. University of Manchester Institute of Science and Technology. Retrieved October 21, 2001, from http://www.unison.org.uk/acrobat/11088.pdf.

Hoel, H., Cooper, C. L., & Faragher, B. (2001). The experience of bullying in Great Britain: The impact of organizational status. European Journal of Work and Organizational Psychology, 10, 443-466.

Institute of Personnel Development. (1996). One in eight workers are victims of bullying reveals new IPD survey. PR Newswire. Retrieved November 28, 1996, from

http://www.prnewswire.co.uk/cg /news/release?id=44792.

Keashly, L., & Jagatic, K. (2000, August 8). The nature, extent, and impact of emotional abuse in the workplace: Results of a statewide survey. In C. L. Cooper (Chair), Exploring persistent patterns in workplace aggression. Symposium presented at the annual meeting of the Academy of Management, Toronto.

Kivimaki, M., Elovainio, M., & Vahtera, J. (2000). Workplace bullying and sickness absence in hosptial staff. Occupational and Environmental Medicine, 57, 656-660.

NIOSH. (2004). Most workplace bullying is worker to worker, early findings from NIOSH study suggest. National Institute for Occupational Safety and Health. Retrieved July 28, 2004, from http://www.cdc.gov/niosh/updates/upd-07-28-04.htm1.

Quine, L. (1999). Workplace bullying in NHS community trust: Staff questionnaire survey. British Medical Journal, 318,228-232.

Quine, L. (2002). Workplace bullying in junior doctors: Questionnaire survey. British Medical Journal, 324(7342), 878-879.

Rayner, C., Hoel, H., & Cooper, C. L. (2002). Workplace bullying: What we know, who is to blame, and what can we do? London: Taylor & Francis.

Richman, J. A., Rospenda, K. M., Nawyn, S. J., Flaherty, J. A., Fendrich, M., Drum, M. L., & Johnson, T. P. (1999). Sexual harassment and generalized workplace abuse among university employees: Prevalence and mental health correlates. American Journal of Public Health, 89, 358-363.

Rutherford, A., & Rissel, C. (2004). A survey of workplace bullying in a health sector organisation. Australian Health Review, 28(1), 65-72.

Salin, D. (2001). Prevalence and forms of bullying among business professionals: A comparison of two different strategies for measuring bullying. European Journal of Work and Organizational Psychology, 10(4), 425-442.

Task force on the prevention of workplace bullying. (2001). Dignity at work: The challenge of workplace bullying. Author. Retrieved June 1, 2001, from http://www.hsa.ie/files/product 20040604112313Bul1yRep Task.pdf.

UNISON. (1997). Members' experience of bullying at work. Author. Retrieved from http://www.bullyinginstitute.org/res/unison.html.

UNISON. (2000). Bullying at work: Workplace bullying survey of UNISONpolice support staff. Author. Retrieved February 21, 2001, from http://www.unison.org.uk/acrobat/11088.pdf

Zapf, D., Einarsen, S., Hoel, H., & Vartia, M. (2003). Empirical findings on bullying in the workplace. In S. Einarsen, H. Hoel, D. Zapf & C. L. Cooper (Eds.), Bullying and emotional abuse in the workplace: International Perspectives in research and practice (pp. 104-126). London: Taylor & Francis