Stephen N. Elliot [and others]
McGraw-Hill, 2000
Buku Teks
Stephen N. Elliot, Thomas R. Kratochwill, Joan Littlefield Cook, John F. Travers, authors
McGraw-Hill Book , 2000
Buku Teks
Mager, Robert F.
Fearon, 1968
Buku Teks
Hilgard, Ernest R. (Ernest Ropiequet), 1904-2001
Prentice-Hall, 1975
Buku Teks SO
Burke, Kay
Hawker Brownlow Education, 1999
Buku Teks