The University of Chicago Press, 1948
Buku Teks
Rose, Jerome G.
The State University of New Jersey, 1974
Buku Teks
Huntington, Samuel P., author
Belknap Press of Harvard University Press, 1959
Buku Teks
Huntington, Samuel P., author
Harvard University Press, c1964
Buku Teks
Yuddy Crisnandi, author
S. Rajaratman School of International Studies, 2007
Buku Teks