Wilcox Dl& Others <br/><br/>
Public relations : Stratigies and tactics 
Wilcox Dl& Others 
 - New York  New York, Harper and Row  1989 
 - 719p 
<br/><br/><label>ISBN: </label>0-06-047106-9 
<br/><br/><label>Source: </label>Textbook