Wimmer, Roger D. <br/><br/>
Mass media research :  an introduction / 
Roger D. Wimmer, Joseph R. Dominick 
 - 6th ed. 
 - Belmont, California :  Wadsworth Publishing,  2000 
 - xi, 499 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0534560075  RM345.52 
<br/><br/><label>LCCN: </label>99-029037 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media--Research