Clark, Ronald W. <br/><br/>
Persuasive messages 

 - New York  Harper and Row Publishers  1984 
 - vi,250p. 
<br/><br/><label>ISBN: </label> USD 16.50 
<br/><br/><label>Source: </label> USD 16.50 
<br/><br/><label>Dewey Class. No.: </label>808 CLA