Wimmer, Roger D. <br/><br/>
Mass media research  an introduction / Roger D. Wimmer, Joseph R. Dominick. 

 - 2nd ed. 
 - Belmont, Calif.  Wadsworth Pub. Co.  1987. 
 - 514 p. 
<br/><br/> Includes bibliographical references and indexes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media--Research.<br/>Mass media--Methodology.