Dawson, Roger <br/><br/>
Secrets of power persuasion / 
Roger Dawson 
 - New Jersey :  Prentice Hall,  1992       
 - xvii, 296 p. 
<br/><br/><label>ISBN: </label>0137993625 
<br/><br/><label>LC Class. No.: </label>HF 5438.25 D272s 1992