1. Alexander, R. D. 1990 How Did Humans Evolve? Reflections on the Uniquely Unique Species. Ann Arbor: Special Publications, Museum of Zoology, University of Michigan, No. 1.
2. Alexander, R. D., J. L. Hoogland, R. D. Howard, K. M. Noonan, and P. W. Sherman 1979 Sexual Dimorphisms and Breeding Systems in Pinnipeds, Ungulates, Primates, and Humans. In Evolutionary Biology and Human Social Behavior: An Anthropological Perspective, N. A. Chagnon and W. Irons, eds. Pp. 402–435. North Scituate, Massachusetts: Duxbury Press.
3. Appadurai, A. 1996 Modernity at Large: Cultural Dimensions of Globalization. Minneapolis: University of Minnesota Press.
4. Bailey, F. G. 1969 Stratagems and Spoils: A Social Anthropology of Politics. Oxford: Basil Blackwell.
5. Barth, F. 1966 Models of Social Organization. Royal Anthropological Institute Occasional Papers 23. London.