1. American Bar Association. (2001). Zero tolerance policy report. Retrieved September 25, 2012, from
www.abanet.org/crimjust/juvjus/zerotolreport.html
.
2. American Psychological Association Zero Tolerance Task Force. (2008). Are zero tolerance policies effective in the schools? An evidentiary review and recommendations. American Psychologist, 63(9), 852–862.
3. Andrade, J. T. (Ed.). (2009). Handbook of violence risk assessment and treatment: New approaches for mental health professionals. New York, NY: Springer.
4. Ayers, W., Ayers, R., & Dohrn, B. (2001). Zero tolerance: Resisting the drive for punishment in our schools. New York: The Free Press.
5. Band, S. R., & Harpold, J. A. (1999). School violence: Lessons learned. FBI Law Enforcement Bulletin, 68, 9–16.