Pratiwi, author
Universiteit Gent, 1996
Buku Teks
Jurnal Hukum Internasional: Indonesian Journal of International Law, Vol. 4 No. 4 Juli 2007 : 745-762, 2007
Artikel Jurnal
Chelliah, Raja Jesudoss.
Allen & Unwin, 1969
Buku Teks
Schneider, Jurgen, author
Leipzig , 1967
Buku Teks
Salmon, Cleveland
John Wiley & Sons, 1999
Buku Teks