Watson, David L. <br/><br/>
Self-directed behaviour  self-modification for personnel adjustment / 
David L. Watson Roland G. Tharp 
 - 4th ed 
 - California  Brooks / Cole Pub.  1985 
 - 316p.  ill.  26cm. 
<br/><br/><label>ISBN: </label>0534047769 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Behaviour modification