Waller, B. M., Caeiro, C. C., & Davila-Ross, M. (2015). Orangutans modify facial displays depending on recipient attention. PeerJ.
Παραπομπή Chicago StyleWaller, Bridget M., Cátia C. Caeiro, και Marina Davila-Ross. "Orangutans Modify Facial Displays Depending On Recipient Attention." PeerJ 2015.
Παραπομπή MLAWaller, Bridget M., Cátia C. Caeiro, και Marina Davila-Ross. "Orangutans Modify Facial Displays Depending On Recipient Attention." PeerJ 2015.
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