Fraser, O. N., Stahl, D., & Aureli, F. (2008). Stress reduction through consolation in chimpanzees. National Academy of Sciences.
Čikaški stil citiranjaFraser, Orlaith N., Daniel Stahl, i Filippo Aureli. Stress Reduction Through Consolation in Chimpanzees. National Academy of Sciences, 2008.
MLA način citiranjaFraser, Orlaith N., Daniel Stahl, i Filippo Aureli. Stress Reduction Through Consolation in Chimpanzees. National Academy of Sciences, 2008.
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