Hall, Livingston, author
West Publishing, 1969
Buku Teks
Scheb, John M., author
Thomson Wadworth, 2005
Buku Teks
Anderson, Ronald A., author
The Lawyers Co-Operative Publishing, 1957
Buku Teks
Lewis, Merlin, author
Prentice-Hall, 1978
Buku Teks
Schwartz, Bernard, author
Pitman, 1950
Buku Teks