DeFleur, Melvin L. <br/><br/>
Understanding mass communication 
Melvin L.DeFleur, 
 - 4th ed. 
 - Islamabad :  National Book Foundation.  1991. 
 - xiv, 637 p. :  ill. ;  26 cm. 
<br/><br/> Includes Index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media--United States.
<br/><br/><label>Dewey Class. No.: </label>001.510973