Wiatr, Jerzy J.
Westview Press, 1988
Buku Teks SO
Silverstein, Josef
Cornell University Press, 1977
Buku Teks SO
Morgenthau, Hans J.
The University of Chicago Press, 1962
Buku Teks SO
Perlmutter, Amos
RajaGrafindo Persada, 2000
Buku Teks
Huntington, Samuel P.
Belknap Press of Harvard University Press, 1959
Buku Teks