Παραπομπή APA

Van Hemel, P. E. (1972). Aggression as a reinforcer: Operant behavior in the mouse-killing rat.

Παραπομπή Chicago Style

Van Hemel, Paul E. Aggression As a Reinforcer: Operant Behavior in the Mouse-killing Rat. 1972.

Παραπομπή MLA

Van Hemel, Paul E. Aggression As a Reinforcer: Operant Behavior in the Mouse-killing Rat. 1972.

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