edited by Dennis Campbell
Kluwer Law and Taxation, 1991
Buku Teks
Faulkner, George
Business & Professional Publishing, 1995
Buku Teks
edited by Stephen Clarke
Harper Collins, 1992
Buku Referensi
Greenwood Press, 1977
Buku Teks
Folsom, Ralph Haughwout, author
West Group, 1999
Buku Teks