International Symposium on Man's Role in Changing the Face of the Earth, Princeton, N.J, Bates, M., Mumford, L., Sauer, C. O., & Thomas, W. L. (1956). Man's role in changing the face of the earth. Published for the Wenner-Gren Foundation for Anthropological Research and the National Science Foundation by the University of Chicago Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Symposium on Man's Role in Changing the Face of the Earth, Princeton, N.J, Marston Bates, Lewis Mumford, Carl O. Sauer, و William Leroy Thomas. Man's Role in Changing the Face of the Earth. Chicago: Published for the Wenner-Gren Foundation for Anthropological Research and the National Science Foundation by the University of Chicago Press, 1956.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)International Symposium on Man's Role in Changing the Face of the Earth, Princeton, N.J, et al. Man's Role in Changing the Face of the Earth. Published for the Wenner-Gren Foundation for Anthropological Research and the National Science Foundation by the University of Chicago Press, 1956.