Tench Ralph. <br/><br/>
Exploring Public Relations Ralph Tench. 

 - 2nd ed. 
 -  Essex: Pearson Education Limited 2009 
 - XXI 666P.: ILL 23CM 
 -  0 .
<br/><br/><br/>ENG 
<br/><br/><label>ISBN: </label>9780273715948 (Pbk)