Finer, S. E., author
Frederick A. Praeger, 1962
Buku Teks
Wiatr, Jerzy J.
Westview Press, 1988
Buku Teks
Silverstein, Josef, author
Cornell University Press, 1977
Buku Teks
Morgenthau, Hans J., author
The University of Chicago Press, 1962
Buku Teks
Perlmutter, Amos, author
RajaGrafindo Persada, 2000
Buku Teks