Sarason, Seymour B.
Psychological problems in mental deficiency
Harper & Row , 1959
 Buku Teks
The treatment of medical problems in the elderly
edited by M.J. Denham
University Park Press, 1980
 Buku Teks
Veeraraghavan, Vimala
Anxiety disorders : psychological assessment and treatment
Sage, 2002
 Buku Teks
Miller, Robert D.
Problems in health care law
An Aspen Publication, 1996
 Buku Teks
Gorline, Lynne Lesak
Common problems in prymary care
Mosby , 1982
 Buku Teks