Becker, Samuel L. <br/><br/>
Discovering mass communication / 
samuel L. Becker. 
 - 2nd edition 
 - Lenview :  Scott, Foresman,  c1987. 
 - xvii, 494 p. figs., illustrati 
<br/><br/> Includes bibliographies, glossary and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>mass media