Lapidoth-Eschelbacher, Ruth
Martinus Nijhoff Publishers, 1982
Buku Teks
Foreign Relations, Inc, 1979
Buku Teks
Rourke, John T., author
McGraw-Hill, 2010
Buku Teks
Kaplan, Morton A., author
John Wiley & Sons, 1961
Buku Teks
Padelford, Norman J., author
Macmillan, 1962
Buku Teks