Hilgert Raymond <br/><br/>
Supervision 

 - 8th Ed. 
 -  South-Western College  2001 
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0324013892 
<br/><br/><label>Dewey Class. No.: </label>658.302  / HIL/LEO