Whaley, Douglas J.
Little, Brown & Co., 1993
Buku Teks
Braucher, Robert
Foundation Press, 1953
Buku Teks
Emanuel, Steven
Emanuel Law Outlines, 1988
Buku Teks
Henson, Ray D.
St. Paul Minn, 1979
Buku Teks
Braucher, Robert
Foundation Press, 1964
Buku Teks