Vivian, John <br/><br/>
The media of mass communication / 
John Vivian. 
 - Boston :  Allyn and bacon,  c1991. 
 - xix, 441 p.; illus. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media