Matlin, Margareth W.
Harcourt Brace College Publisher, 1999
Buku Teks
Bennett, Paul
McGraw-Hill, 2011
Buku Teks
Bennett, Paul
Open University Press, 2003
Buku Teks
Krech, David
McGraw-Hill, 1962
Buku Teks
Westen, Drew
John Wiley & Sons Australia, 2006
Buku Teks