Rosati, Jerel A., 1953-
Thomson, 2004
Buku Teks
edited by Robert W. Tucker, Charles B. Keely, and Linda Wrigley
Westview Press, 1990
Buku Teks
Rosati, Jerel A., 1953-
Wadsworth, 2007
Buku Teks
Haviland, H. Field
The Brooking Institution, 1960
Buku Teks
Brokings Institution, 1950
Buku Teks