John Hartley [and others]
Rinehart and Winston, 1962
Buku Teks
Papalia, Diane E., author
McGraw-Hill, 2002
Buku Teks
Papalia, Diane E.
McGraw-Hill, 2006
Multimedia
Papalia, Diane E., author
McGraw-HIll , 2006
Buku Teks
Katula, Richard A., author
Little, Brown and Company, 1983
Buku Teks