Brooks, Brian S.
Bedford/St. Martins,, 2002
Buku Teks
by Brian S. Brooks [and others]
Martins Press, 1992
Buku Teks
Rich, Carole
Wadsworth and Cengage Learning, 2010
Buku Teks
Itule, Bruce D.
McGraw-Hill, 1994
Buku Teks
Tuggle, C.A
McGraw-Hill, 2013
Buku Teks