Riedl, K., Jensen, K., Call, J., & Tomasello, M. (2012). No third-party punishment in chimpanzees. National Academy of Sciences.
استشهاد بنمط شيكاغوRiedl, Katrin, Keith Jensen, Josep Call, و Michael Tomasello. No Third-party Punishment in Chimpanzees. National Academy of Sciences, 2012.
MLA استشهادRiedl, Katrin, Keith Jensen, Josep Call, و Michael Tomasello. No Third-party Punishment in Chimpanzees. National Academy of Sciences, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.