Massen, J. J. M., Vermunt, D. A., & Sterck, E. H. M. (2012). Male Yawning Is More Contagious than Female Yawning among Chimpanzees (Pan troglodytes). Public Library of Science.
Styl cytowania ChicagoMassen, Jorg J. M., Dorith A. Vermunt, i Elisabeth H. M. Sterck. Male Yawning Is More Contagious Than Female Yawning Among Chimpanzees (Pan Troglodytes). Public Library of Science, 2012.
Styl cytowania MLAMassen, Jorg J. M., Dorith A. Vermunt, i Elisabeth H. M. Sterck. Male Yawning Is More Contagious Than Female Yawning Among Chimpanzees (Pan Troglodytes). Public Library of Science, 2012.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..