Dyfyniad APA

ebrary, Inc, & Osterman, K. (2010). Indirect and direct aggression. Peter Lang.

Dyfyniad Arddull Chicago

ebrary, Inc, and Karin Osterman. Indirect and Direct Aggression. Frankfurt am Main ; New York: Peter Lang, 2010.

Dyfyniad MLA

ebrary, Inc, and Karin Osterman. Indirect and Direct Aggression. Peter Lang, 2010.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.