Rossabi, Morris, author
Wiley Balckwell, 2014
Buku Teks
Toynbee, Arnold J., author
Oxford University Press, 1948
Buku Teks
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