Gamble, Michael. <br/><br/>
Introducing mass communication / 
Michael W. Gamble, Teri Kwal Gamble. 
 - 2nd ed. 
 - New York :  McGraw-Hill,  1989. 
 - 549 p. :  23 cm. 
 - McGraw-Hill series in mass communication. .
 - McGraw-Hill series in mass communication. .
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 520-527. 
<br/><br/><label>ISBN: </label>007022773X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media.