Zanden, James W. Vander
McGraw-Hill, 1993
Buku Teks
Papalia, Diane E.
McGraw-Hill, 1992
Buku Teks
edited by Karen L. Freiberg
McGraw-Hill/Dushkin, 2001
Buku Teks
Craig, Grace J.
Prentice-Hall, 1986
Buku Teks
Craig, Garce J.
Prentice-Hall, 1992
Buku Teks