Wimmer, Roger D. <br/><br/>
Mass media research :  an introduction/ 
Roger D. Wimmer and Joseph R. Dominick. 
 - 4th ed. 
 - Belmont, California :  Wadsworth Publishing,  c1994 
 - xiv,497 p.;  24 cm. 
<br/><br/>Includes bibliography and index. 
<br/><br/><label>ISBN: </label>0534174728 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media--Research<br/>Mass media--Methodology
<br/><br/><label>Dewey Class. No.: </label>302.2307  / W757M 1994