Barton, John H.
Stanford University Press, 1981
Buku Teks
Herz, John H., author
David McKay, 1976
Buku Teks
Morgenthau, Hans J., author
Knopf , 1954
Buku Teks
Holsti, Kalevi J., author
Prentice-Hall, 1977
Buku Teks
Organski, A.F.K., author
Alfred A. Knopf, 1969
Buku Teks