Wade, Peter, author
Pluto Press, 2002
Buku Teks
Kroeber
Harcourt, Brace and Company, 1948
Buku Teks
Stocking, George W., author
The Free Pres, 1968
Buku Teks
Banks, James A, author
Routledge, 2006
Buku Teks
edited by Roy Moodley, Stephen Palmer
Routledge, 2006
Buku Teks