Whaley, Douglas J.
Harcourt, Brace Jovanovich Legal and Professional Publications, 1992
Buku Teks
Fisk, Mckee, author
South-Western Publishing, 1950
Buku Teks
Marsh, S.B., author
McGraw-Hill, 1975
Buku Teks
Maria, Alberto Santa
Kluwer Law International, 1996
Buku Teks
Kharofa, Ala Eddin, author
A.S. Noordeen, 2009
Buku Teks