Wimmer, Roger D. <br/><br/>
Mass Media Research : An Introduction / 
Roger D. Wimmer 
 - 4th ed. 
 - Belmont, CA :  Wadsworth Publishing,  1994 
 - 497 p. :  illus 
<br/><br/><label>ISBN: </label>0534174728 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media--Research.
<br/><br/><label>LC Class. No.: </label>P91.3  / W47