Roger D. Wimmer <br/><br/>
Mass media research:  an introduction 
Roger D. Wimmer 
 - 5th. 
 - Belmont  Wadsworth Pub.  1997 
<br/><br/><label>ISBN: </label>9780534244743 
<br/><br/><label>Dewey Class. No.: </label>302.23  / 5013