Kearl, Michael C., author
Allyn and Bacon, 1992
Buku Teks
DeLamater, John D., author
Colorado Westview Press, 2014
Buku Teks
Pines, Ayala, author
McGraw-Hill, 1993
Buku Teks
Baron, Robert A., author
Heights Allyn and Bacon , 1991
Buku Teks
Verkuyten, Maykel, author
Psychology Press Taylor & Francis Group, 2005
Buku Teks