Melvin , L. Defleur:- <br/><br/>
understanding mass communication/ 
Melvin, L. Defleur:- 
 - U.S.A:  Houghton Miffin Company,  1991. 
 - xiv,637p.;ill.  includes ;bibliographical references and indexes.  25cm. 
<br/><br/><label>ISBN: </label>395472725 
<br/><br/><label>Dewey Class. No.: </label>302.23 DEF