Andrain, Charles F., author
Macmillan, 1995
Buku Teks
Yoshimichi Sato, author
Trans Pacific Press, 2006
Buku Teks
Wallerstein, Immanuel, author
John Wiley , 1966
Buku Teks
Lauer, Robert H., author
Rineka Cipta, 2003
Buku Teks
edited by George Dalton
New York, 1971
Buku Teks