McQuail, Denis. <br/><br/>
McQuail's mass communication theory / 
Denis McQuail. 
 - London  :SAGE,  2000. 
 - 4th ed. x, 542 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0761965475 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass Media.