edited by Paul Bohannan and John Middleton
Natural History Press, 1968
Buku Teks
Service, Elman R. (Elman Rogers), 1915-1996, author
Random House, 1971
Buku Teks
Graburn, Nelson
Harper & Row, Publishers, 1971
Buku Teks
Soleman B. Taneko, author
Rajawali, 1990
Buku Teks
Archer, Margaret S., author
Cambridge University Press, 1996
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