DeFleur, Melvin L. Dennis, Everette E.  <br/><br/>
Understanding mass communication / 
Melvin L. DeFleur, Everette E. Dennis. 
 - 4th ed. 
 - Boston :  Houghton Mifflin,  c1991. 
 - xiv, 637 p.  
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0395472725 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media
<br/><br/><label>Dewey Class. No.: </label>384  / DEF