Foonberg, Jay G.
The American Bar Association, 1976
Buku Teks
OBrien, Jack
Kiplinger Books, 1999
Buku Teks
Hegland, Kenney
West Pub. Co., 1995
Buku Teks
Hegland, Kenney F., author
Thomson West, 2003
Buku Teks
Brown, James J., author
John Wiley & Sons, 1994
Buku Teks