Applied Psychology : An International Review
Blackwell Publishing Limited, 2001
 Majalah, Jurnal, Buletin
Psychology an introduction / Paul Mussen...[et al.]
D.C Heath and Company, 1973
 Buku Teks
Santrock, John W.
Psychology
McGraw-Hill, 2003
 Multimedia
Baron, Robert A.
Psychology
Simon & Schuster, 1992
 Buku Teks
Gray, Peter
Psychology
Worth Publishers, 1999
 Buku Teks