edited by Michael Banton
Tavistock Publications, 1973
Buku Teks
edited by Michael Banton
F. A. Praeger, 1965
Buku Teks
Barnard, Alan, author
Cambridge University Press, 2011
Buku Teks
edited by Alan Barnard, Jonathan Spencer
Routledge, 1996
Buku Referensi
Murphy, Robert F., author
Prentice-Hall, 1986
Buku Teks