Power and influence : Mastering and art of persuasion 
Dilenschneider, Robert L. 
 -  Prentice Hall Press.  1990 
 - 258 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>0-13-464041-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Persuasion (Psychology)
<br/><br/><label>Dewey Class. No.: </label>659.2 D56p 1990