Evans-Pritchard, E.E. (Edward Evan), 1902-1973, author
Clarendon Press, 1956
Buku Teks
Weber, Max, 1864-1920, author
Beacon Press , 1963
Buku Teks
Moran, Marie, author
SAGE, 2015
Buku Teks
Arnold, Thurman Wesley, author
Blue Ribbon Books, 1937
Buku Klasik
Johnstone, Ronald L., author
Prentice-Hall, 1975
Buku Teks