Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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