Vivian, John. <br/><br/>
The media of mass communication / 
John Vivian. 
 - 4th ed. 
 - London :  Boston ;  Allyn and Bacon,  c1997. 
 - xviii,526p. :  ill. (some col.), col. map, ports. (some col.) ;  26cm. 
<br/><br/> Previous ed.: 1995. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>020519432X (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media
<br/><br/><label>LC Class. No.: </label>P90 
<br/><br/><label>Dewey Class. No.: </label>302.23