Weiss, Sholom M.
Rowman and Allanheld, 1984
Buku Teks
Armstrong, Michael
Crest Publishing House, 1999
Buku Teks
Gurewich, Nathan
McGraw-Hill, 1992
Buku Teks
Armstrong, Michael
[Publisher not identified], [Date of publication not identified]
Buku Teks
Moore, Nick
Facet Publishing, 2006
Buku Teks