Self- Directed Behavior ;  Self-Modification for Personal Adjustment 
WATSON , David L. ; THARP, Roland G. 
 - 8th ed. 
 - Australia  Wordsworth  2002 
 - xii , 343p , :  ill. 
<br/><br/><label>ISBN: </label>0534527361 
<br/><br/><label>LC Class. No.: </label>BF637  / .W378  2002