Coolican, Hugh, author
Psychology Press, 2014
Buku Teks
Shaughnessy, John J., author
McGraw-Hill, 1990
Buku Teks
Shaughnessy, John J., author
McGraw-Hill, 2003
Buku Teks
Zechmeister, Jeanne S., author
McGraw-Hill, 2001
Buku Teks
Elmes, David G.
Brooks/Cole, 1999
Buku Teks