Wimmer, Roger D. <br/><br/>
Mass media research :  an introduction / 
Roger D. Wimmer, Joseph R. Dominick. 
 - 5th ed. 
 - Belmont [Calif.] :  Wadsworth Pub.,  c1997. 
 - xiii, 498 p. :  ill. ;  25 cm. 
 - Wadsworth series in mass communication and journalism .
<br/><br/><label>ISBN: </label>0534244742 9780534244743 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media--Research.
<br/><br/><label>LC Class. No.: </label>P91.3  / .W47 1997 
<br/><br/><label>Dewey Class. No.: </label>302.23/072