edit by Dean C. Alexander, Seymour J. Rubin
Kluwer Law International , 1995
Buku Teks
Lopez, David
St. Paul Minn, 2000
Buku Teks
Plummer, Michael G., 1959-
The East-West Center , 1993
Buku Teks
Fouloy, Christian D. De.
Martinus Nijhoff Publishers, 1994
Buku Referensi
Schaber, Gordon D.
West Publishing, 1990
Buku Teks