Agee, Warren K. <br/><br/>
Introduction to mass communications / 
Warren K. Agee, Phillip H. Ault, Edwin Emery. 
 - 6th ed. 
 - New York :  Harper & Row,  1979. 
 - xiii, 475 p. :  ill. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references (p. 421-457) and index. 
<br/><br/><label>ISBN: </label>0060401729 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media.