James K Luiselli, editor
Springer, 2016
Buku Teks
Colin Hemmings, Nick Bouras
Cambridge University Press, 2016
Buku Teks
DiMatteo, M. Robin, author
Allyn and Bacon, 2002
Buku Teks
Johnny L. Matson.
Springer , 2017
Buku Teks
editor-in-chief, Thomas J. Boll; volume editors, Suzanne Bennett Johnson, Nathan W. Perry, Jr., and Ronald H. Rozensky.
American Psychological Association, 2004
Buku Teks