Gilreath, Shannon, 1977-
Thomson/West, 2007
Buku Teks
Gunther, Gerald
Foundation Press, 1979
Buku Teks
by Barry R. Furrow ... [and others]
West Publishing, 1987
Buku Teks
Adelman, Martin J.
Thomson/West, 2009
Buku Teks
Lunney, glynn
West, 2010
Buku Teks