Edel, May
Charles C. Thomas, 1959
Buku Teks
the Dushken Publishing, 1974
Buku Teks
Blanchard, Kendall, author
Bergin & Garvey, 1995
Buku Teks
Eriksen, Thomas Hylland, author
Pluto Press, 2001
Buku Teks
Lienhardt, Godfrey, author
Oxford University Press, 1969
Buku Teks