Merrill, John Calhoun. <br/><br/>
Modern mass media / 
John C. Merrill, John Lee, Edward Jay Friedlander. 
 - New York :  Harper & Row,  c1990. 
 - xxii, 452 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>006044469X (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media.