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
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
Covey, Stephen R.
The 7 habits of highly effective people : restoring the characters ethics
A Fireside Book, 1989
 Buku Teks