Marotz, Lynn R., author
Wadsworth and Cengage Learning, 2013
Buku Teks
Steinberg, Laurence, author
Wadsworth and Cengage Learning, 2011
Buku Teks
Papalia, Diane E., author
McGraw-Hill, 2002
Buku Teks
edited by Nancy Eisenberg
John Wiley & Sons, 1987
Buku Teks
edited by Michael Lewis and Suzanne M. Miller
Plenum Press, 1990
Buku Referensi