1. Adriani, N., & Kruijt, A. C. (1950). The Bare’e-speaking Toradja of central Celebes (the East Toradja), vol. 1. [De Bare’e sprekende Toradjas van Midden-Celebes (de Oost-Toradjas), eerste deel, Amsterdam: Noord-Hollandsche Uitgevers Maatschappij]. (HRAF MS: 13, 714 [original: 12, 478]).
http://ehrafworldcultures.yale.edu/document?id=og11-002
2. Alexander, R. D. (1990). How did humans evolve? Reflections on the uniquely unique species. Museum of Zoology, University of Michigan Special Publication, 1. Ann Arbor.
3. Apter, D. E. (1967). Political kingdom in Uganda: A study in bureaucratic nationalism. Princeton: Princeton University Press.
4. Arden, R., Gottfredson, L. S., & Miller, G. (2009). Does a fitness factor contribute to the association between intelligence and health outcomes? Evidence from medical abnormality counts among 3654 US veterans. Intelligence, 37(6), 581–591.
5. Arnold, J. E. (1996). Organizational transformations: Power and labor among complex hunter-gatherers and other intermediate societies. In J. E. Arnold (Ed.), Emergent complexity: The evolution of intermediate societies (pp. 59–73). Ann Arbor: International Monographs in Prehistory.