Churchill, R.R.
Manchester University Press, 1992
Buku Teks
Tanaka, Yoshifumi
Cambridge University Press, 2012
Buku Teks
edited by Myron H. Nordquist, John Norton Moore
Martinus Nijhoff Publishers, 1995
Buku Teks
Sohn, Louis B.
Thomson Reuters, 2010
Buku Teks
Hasjim Djalal, 1934-
Centre for Strategic and International Studies, 1995
Buku Teks