Carvalho, S., Biro, D., Cunha, E., Hockings, K., McGrew, W., Richmond, B., & Matsuzawa, T. (2012). Chimpanzee carrying behaviour and the origins of human bipedality. Elsevier.
Lua i Stíl Chicago (17ú heag.)Carvalho, S., D. Biro, E. Cunha, K. Hockings, W. McGrew, B. Richmond, agus T. Matsuzawa. Chimpanzee Carrying Behaviour and the Origins of Human Bipedality. Elsevier, 2012.
Lua MLA (9ú heag.)Carvalho, S., et al. Chimpanzee Carrying Behaviour and the Origins of Human Bipedality. Elsevier, 2012.
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