Schaber, Gordon D.
West Publishing, 1990
Buku Teks
Folsom, Ralph Haughwout
West Group, 1999
Buku Teks
Maraist, Frank L.
West Publishing, 1996
Buku Teks
Rohwer, Claude D.
Thomson Reuters, 2010
Buku Teks
Kionka, Edward J.
Thomson Reuters, 2010
Buku Teks