Bittker, Boris I., author
Warren, Gorham and Lamont, 1971
Buku Teks
by Stanley S. Survey ... [and others]
Foundation Press, 1972
Buku Teks
edited by Michael D. Rose
West Publishing, 1996
Buku Teks
Wendt, Paul Francis, author
McGraw-Hill, 1979
Buku Teks
Gumpel, Henry J.
Commerce Clearing House, 1969
Buku Teks