Agee, Warren Kendall. <br/><br/>
Introduction to mass communications / 
Warren K. Agee, Phillip H. Ault, Edwin Emery. 
 - 12th ed. 
 - New York :  Longman,   c1997. 
 - xviii, 574 p. :  ill. ;   24 cm. 
<br/><br/>Includes bibliographical references (p. 525-561) and index. 
<br/><br/><label>ISBN: </label>0673980820 
<br/><br/><label>LCCN: </label>96-011530 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media.
<br/><br/><label>Dewey Class. No.: </label>302.23