Cohn, John M., author
Facet Publishing, 2002
Buku Teks
Cohn, John M., author
Neal-Schuman, 2001
Buku Teks
Mauch, James E.
Marcel Dekker, Inc., 1993
Buku Teks
Vallerand, April Hazard, author
F.A.Davis Company, 2014
Buku Teks
Deglin, Judith Hopfer, 1950-, author
FA Davis, 2001
Buku Teks