Grine, F. E., Fleagle, J. G., & Leakey, R. E. (2009). The First Humans Origin and Early Evolution of the Genus Homo: Contributions from the Third Stony Brook Human Evolution Symposium and Workshop October 3 October 7, 2006. Springer Netherlands. https://doi.org/10.1007/978-1-4020-9980-9
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Grine, Frederick E., John G. Fleagle, و Richard E. Leakey. The First Humans Origin and Early Evolution of the Genus Homo: Contributions from the Third Stony Brook Human Evolution Symposium and Workshop October 3 October 7, 2006. Dordrecht: Springer Netherlands, 2009. https://doi.org/10.1007/978-1-4020-9980-9.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Grine, Frederick E., et al. The First Humans Origin and Early Evolution of the Genus Homo: Contributions from the Third Stony Brook Human Evolution Symposium and Workshop October 3 October 7, 2006. Springer Netherlands, 2009. https://doi.org/10.1007/978-1-4020-9980-9.