Holsti, Ole R.
Boston Allen & Unwin 1984
Buku Teks
Washington U.S. Department of Health, Education, and Welfare 1955
Buku Teks
Stein, Gunther
New York American Institute of Pasific Relations 1947
Buku Teks
Halberstam, David
New York Alfred A. Knopf 1988,
Buku Teks
Arangio-Ruiz, Gaetano
Sijthoff & Noordhoff , 1979
Buku Teks