APA aipamena

Schulz,Ulrich. (1993). Social dilemmas and cooperation. Springer-Verlag.

Chicago Style aipamena

Schulz,Ulrich. Social Dilemmas and Cooperation. London: Springer-Verlag, 1993.

MLA aipamena

Schulz,Ulrich. Social Dilemmas and Cooperation. Springer-Verlag, 1993.