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

 - 9th ed. 
 - Boston  Wadsworth Cengage Learning  2011 
 - 464 p 
<br/><br/><label>ISBN: </label>9781439083925 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Boston
<br/><br/><label>LC Class. No.: </label>P 91.3 .W56/