MacGregor, James G., author
Hurtig Publishers, 1981
Buku Teks
Brinton, Crane, 1898-1968, author
Prentice-Hall, 1960
Buku Teks
Eriksen, Thomas Hylland, author
Pluto Press, 2001
Buku Teks
Snooks, Graeme Donald
Routledge, 1998
Buku Teks
Toynbee, Arnold J., author
Oxford University Press, 1955
Buku Teks