Behavior changes in the human services :
an introduction to principles and applications /
Martin Sundel, Sandra S. Sundel.
APA Citation
Sundel, M., Sundel, S. Stone. (1999). Behavior changes in the human services: an introduction to principles and applications. 4th ed. Thousand Oaks, Calif.: Sage.
MLA Citation
Sundel, Martin, 1940-, and Sandra Stone Sundel. Behavior Changes In the Human Services: an Introduction to Principles And Applications. 4th ed. Thousand Oaks, Calif.: Sage, 1999.
Warning: These citations may not always be complete (especially for serials).