Berkowitz, Eric N., author
Times Mirror/Mosby College, 1986
Buku Teks
Alpert, Jed, author
McGraw-Hill, 2012
Buku Teks
Kerin, Roger A., author
The McGraw-Hill, 2003
Multimedia
Keegan, Warren J., author
Pearson, 2011
Buku Teks
Keller, kotler, author
Pearson Education, Inc, 2006
Buku Teks