Kritzer, Albert H.
Kluwer Law and Taxation Publishers, 1989
Buku Teks
edited by Cornell International Law Journal
Kluwer law international, 1995
Buku Teks
Dimatteo, Larry A
Cambridge University Press, 2005
Buku Teks
Honnold, John O.
Kluwer Law Internasional, 1999
Buku Teks
edited by Dennis Campbell
Kluwer, 1996
Buku Teks