Mann, Leon
Social psychology/Leon Manu
Sydney John Wiley & Sons 1969,
 Buku Teks
Comer, Ronald J.
Abnormal psychology/by Ronald J. Comer
New York W.H. Freeman and Co. 1998,
 Buku Teks
Davison, Gerald C.
Abnormal psychology/Gerald C.Davison, John M.Neale
New York John Wiley & Sons 2000,
 Buku Teks
Sprinthall, Norman A.
Educational psychology: a develiopmental approach/Marrman A. Sprinthall, Richard C. Sprinthall
New Yorrk McGraw-Hill 1990,
 Buku Teks
The Journal of social psychology : political, racial and differential psychology
Provincetown : The Journal Press
 Majalah, Jurnal, Buletin