Orpinas, P., & Horne, A. M. (2006). Bullying prevention: Creating a positive school climate and developing social competence. American Psychological Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Orpinas, Pamela, και Arthur M. Horne. Bullying Prevention: Creating a Positive School Climate and Developing Social Competence. Washington: American Psychological Association, 2006.
Παραπομπή σε μορφή MLA (8th εκδ.)Orpinas, Pamela, και Arthur M. Horne. Bullying Prevention: Creating a Positive School Climate and Developing Social Competence. American Psychological Association, 2006.
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