Passer, Michael W
McGraw-Hill, 2001
Multimedia
Nevid, Jeffrey S., author
Wadsworth and Cengage Learning, 2012
Buku Teks
Passer, Michael W., author
McGrahw-Hill , 2001
Buku Teks
Worchel, Stephen
Prentice-Hall, 1995
Buku Teks
Cox, Richard H., author
McGraw-Hill, 2007
Buku Teks