Baggiano, Antonio
Graham & Trotman, 1991
Buku Teks
edited by Cornell International Law Journal
Kluwer law international, 1995
Buku Teks
Johnston, Daniel
Penwell Books, 1994
Buku Teks
Stefan Vogenauer, editor
Oxford University Press, 2015
Buku Teks
Farnsworth, E. Allan, author
Little, Brown, 1990
Buku Teks