DeFleur, Melvin L.  1923- <br/><br/>
Understanding mass communication / 
Melvin L. DeFleur and Everette E. Dennis with the assistance of Margaret S. Hanus 
 - 2nd ed. 
 - Boston :  Houghton Mifflin,  1985 
 - 620 p. :  ill. ;  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0395359295 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media--United States