ebrary, Inc, & Osterman, K. (2010). Indirect and direct aggression. Peter Lang.
Čikaški stil citiranja (17. izdanje)ebrary, Inc, i Karin Osterman. Indirect and Direct Aggression. Frankfurt am Main ; New York: Peter Lang, 2010.
MLA način citiranja (9. izdanje)ebrary, Inc, i Karin Osterman. Indirect and Direct Aggression. Peter Lang, 2010.
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