Wimmer, Roger D. <br/><br/>
Mass media research : an introduction 

 - 6th ed 
 - Wadworth Publishing company, Belmont  2000 
 - xi,499 
<br/><br/><label>ISBN: </label>0-534-56007-5 
<br/><br/><label>Dewey Class. No.: </label>307.2 Wim/Dom