Gilmer, B. von Haller (Beverly von Haller), 1909-1994
Applied psychology
Tata McGraw-Hill, 1994
 Buku Teks
Encyclopedia of psychology
edited by Raymond J. Corsini
New York : John Wiley & Sons, 1990,
 Buku Referensi
Encyclopedia of psychology
edited by Raymond J. Corsini
New York : John Wiley & sons, 1994,
 Buku Referensi
Encyclopedia of psychology
edited by Raymond J. Corsin
New York : John Wiley & Sons, 1994,
 Buku Referensi
Leach, John, 1953-
Running applied psychology experiments
Open University Press, 1991
 Buku Teks