Bickham, George, author
P. A. Struck, 1941
Buku Referensi
Randall, David, author
Pluto Press, 2007
Buku Teks
Gluckman, Max
Basil Blackwell, 1967
Buku Teks
Banton Michael, author
Oxford University Press, 1957
Buku Teks
Elwin, Verrier
Oxford University Press, 1949
Buku Teks