Payne, Martin, author
Sage Publications, 2004
Buku Teks
Neukrug, Edward S., author
Brooks/Cole Cengage Learning, 2012
Buku Teks
Belknap Press of Harvard University Press, 1999
Buku Teks
edited by Dan P. McAdams et all
American Psychological association, 2006
Buku Teks
Rhodes, John, 1955-, author
Routledge, 2014
Buku Teks