Carkhuff, Robert R. <br/><br/>
The art of helping / 
Robert R. Carkhuff with Richard M. Pierce and John R. Cannon 
 - 4th ed. 
 - Amherst :  Human Resource Development Press,  1980 
 - 248 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0914234102 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Counseling