Okun, Barbara F.
Effective helping : interviewing and counseling techniques
Cengage Learning, 2015
 Buku Teks
Educational psychology : effective teaching, effective learning
Stephen N. Elliot [and others]
McGraw-Hill, 2000
 Buku Teks
Elliott, Stephen N.
Educational psychology: effective teaching, effective learning
McGraw-Hill , 2000
 Multimedia
Educational psychology: effective teaching, effective learning
Stephen N. Elliot, Thomas R. Kratochwill, Joan Littlefield Cook, John F. Travers, authors
McGraw-Hill Book , 2000
 Buku Teks
Feinberg, Mortimer R.
Effective psychology for managers / Mortimer R. Feinberg
Prentice-Hall, 1965
 Buku Teks