Fox, William F
Kluwer Law International, 1998
Buku Teks
edited by Dennis Campbell
Kluwer Law International, 1995
Buku Teks
Tillinghast, David R.
Matthew Bender, 1984
Buku Teks
edited by Andrea Amatucci ; with the colloraboration of Eusebio González, Christoph Trzaskalik
Kluwer Law International ; Frederick, MD : Sold and distributed in North, Central and South America by Aspen Publishers, 2006
Buku Teks
Cook, Peter, 1936
Academy Editions, 1996
Buku Teks