Professional psychology : research and practice
American Psychological Association, {s.a}
 Majalah, Jurnal, Buletin
Butcher, James N.
Abnormal psychology : core concepts
Pearson, 2008
 Buku Teks
Kendall, Philip C.
Clinical psychology : scientific and professional dimensions
John Wiley & Sons, 1982
 Buku Teks
Lefton, Lester A.
Psychology
Allyn and bacon , 1997
 Buku Teks
Wortman, Camille B.
Psychology
McGraw-Hill, 1992
 Buku Teks