edited by Karen L. Freiberg
McGraw-Hill/Dushkin, 2001
Buku Teks
Craig, Grace J., author
Prentice-Hall, 1986
Buku Teks
Craig, Garce J.
Prentice-Hall, 1992
Buku Teks
Papalia, Diane E., author
McGraw-Hill, 2001
Buku Teks
Crandell, Thomas L., author
McGraw-Hill, 2012
Buku Teks