Cottone, R. Rocco, author
Allyn & Bacon, 1992
Buku Teks
Ivey, Allen E., author
Allyn and Bacon, 1996
Buku Teks
[edited by] Ron Kraus, George Stricker, Cedric Speyer
Elsevier , 2010
Buku Teks
Sommers-Flanagan, John, author
John Wiley & Sons, 2012
Buku Teks
Haney, Hutch, author
Brooks/Cole, 2001
Buku Teks