Hammond, Peter, author
Macmillan, 1978
Buku Teks
Murphy, Robert F., author
Prentice-Hall, 1986
Buku Teks
Rosman, Abraham, author
Random House, 1989
Buku Teks
Rapport, Nigel, author
Routledge, 2000
Buku Teks
Kottak, Conrad Phillip, author
McGraw-Hill, 2012
Buku Teks