Schraeder, Peter J.
Thomson, 2004
Buku Teks SO
edited by M. Fortes and E.E. Evans-Pritchard
Oxford University Press, 1950
Buku Teks SO
Thomson Wadsworth, 2003
Multimedia
edited by Martin Kilson
Harvard University Press, 1975
Buku Teks SO
Farer, Tom J.
Carnegie Endowment for International Peace, 1976
Buku Teks SO