ebrary, Inc, Stürmer, S., & Snyder, M. (2009). The psychology of prosocial behavior: Group processes, intergroup relations, and helping. Wiley-Blackwell.
Čikaški stil citiranja (17. izdanje)ebrary, Inc, Stefan Stürmer, i Mark Snyder. The Psychology of Prosocial Behavior: Group Processes, Intergroup Relations, and Helping. Malden, MA: Wiley-Blackwell, 2009.
MLA način citiranja (9. izdanje)ebrary, Inc, et al. The Psychology of Prosocial Behavior: Group Processes, Intergroup Relations, and Helping. Wiley-Blackwell, 2009.
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