APA (7th ed.) Zitazioa

Orpinas, P., & Horne, A. M. (2006). Bullying prevention: Creating a positive school climate end developing social competence (1a. ed.). American Psychological Association.

Chicago Style (17th ed.) Zitazioa

Orpinas, Pamela, eta Arthur M. Horne. Bullying Prevention: Creating a Positive School Climate End Developing Social Competence. 1a. ed. Washington, D.C: American Psychological Association, 2006.

MLA (9th ed.) Zitazioa

Orpinas, Pamela, eta Arthur M. Horne. Bullying Prevention: Creating a Positive School Climate End Developing Social Competence. 1a. ed. American Psychological Association, 2006.