Heller, H Robert
Prentice-Hall, 1973
Buku Teks
Jurnal Hukum Internasional: Indonesian Journal of International Law, Vol. 1 No. 2 Januari 2004 : 295-322, 2004
Artikel Jurnal
Chacholiades, Miltiades, author
McGraw-Hill, 1978
Buku Teks
Mitra, Devashish, author
NJ World Scientific, 2016
Buku Teks
edited by Roy Harrod
Martin Press, 1965
Buku Teks