Fox, William F
Kluwer Law International, 2013
Buku Teks
Faculty of law, National University of Singapore, 1997
Buku Teks
Rubino-Sammartano, Mauro
Kluwer Law International, 2001
Buku Teks
edited by Pieter Sanders
Kluwer, 1983
Buku Teks
edited by Albert Jan van den Berg
Kluwer Law and Taxation, 1994
Buku Teks