Tobin, Allan J
Thomson, Brooks/Cole, 2005
Buku Teks
Tobin, Allan J.
Brooks/Cole, Thomson, 2005
Multimedia
Barnard, Chris
Pearson Prentice Hall, 2007
Buku Teks
Belk, Collen
Pearson - Benjamin Cummings, 2008
Buku Teks
Presson, Joelle
McGraw-Hill, 2008
Buku Teks