Barker, Chris
Research methods in clinical psychology : an introduction for students and practitioners
John Wiley & Sons, 2002
 Buku Teks
Schroeder, David A.
The psychology of helping and altruism: problems and puzzles
McGraw-Hill, 1995
 Buku Teks
Theresia Maharini
Coping lanjut usia pria terhadap kematian pasangan
1997
 UI - Skripsi (Membership)
Hebb, Donald Olding
a Textbook of psychology: modern Asia edition
W.B. Saunders Company, 1961
 Buku Teks
Judging people a guide to orthodox and unorthodox methods of assesment
edited by D. Mackenzie Davey and Marjorie Harris
McGraw-Hill, 1982
 Buku Teks