Carek, Donald J., author
Jason Aronson Inc, 1993
Buku Teks
edited by Robert T. Ammerman and Michel Hersen
John Wiley & Sons, 1997
Buku Teks
Roy Rodnisher, editor
Routledge, 2009
Buku Teks
Ross, Alan O.
John Wiley & Sons, 1981
Buku Teks
Craig Haen, editor
Routledge, 2011
Buku Teks