Longaker, Richard P.
Cornell University Press, 1962
Buku Teks
Scigliano, Robert
The Free Press, 1971
Buku Teks
Michael Nelson
COP Press, 2000
Buku Teks
Makarim Wibisono [and others]
The Permanent Mission of the Repubilc of Indonesia to the Uniterd Nations, 2001
Buku Teks
Koenig, Louis W., author
Rinehart, 1960
Buku Teks