Dahrendof, Ralf
Gramedia Pustaka Utama, 1992
Buku Teks
Ellsworth, John W
McGraw-Hill, 1976
Buku Teks
Caramani, Daniele, author
Camberidge University Press , 2004
Buku Teks
Lambert, Helene
Martinus Nijhoff Publishers, 1996
Buku Teks
Morgenthau, Hans J., author
The University of Chicago Press, 1962
Buku Teks