Hirsch, L., Lowen, C., & Santorelli, D. (2012). Bully: An action plan for teachers and parents to combat the bullying crisis. Weinstein Books.
Dyfyniad Arddull ChicagoHirsch, Lee, Cynthia Lowen, and Dina Santorelli. Bully: An Action Plan for Teachers and Parents to Combat the Bullying Crisis. New York: Weinstein Books, 2012.
Dyfyniad MLAHirsch, Lee, et al. Bully: An Action Plan for Teachers and Parents to Combat the Bullying Crisis. Weinstein Books, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.