Schwartz, Steven, author
Mayfield, 2000
Buku Teks
Kearney, Christopher A., author
Wadsworth and Cengage Learning, 2012
Buku Teks
Kartini Kartono, author
Alumni, 1972
Buku Teks
Mash, Eric J., author
Wadsworth and Cengage Learning, 1999/2010
Buku Teks
Nevid, Jeffrey S., author
Erlangga, 2005
Multimedia