Malin, Martin H., author
Thomson/West, 2011
Buku Teks
Alces, Peter A.
West Publishing Co., 1995
Buku Teks
editor, John A. Marshall
American Bar Association , 1984
Buku Teks
editor, Baverly A. Vandenburgh
American Bar Association, 1976
Buku Teks
editor, Beverly A. Vandenburgt
American Bar Association, 1977
Buku Teks