Understanding mass communication:  A liberal arts perspective/  English. 
Melvin L. DeFleur, Everette E. Dennis. 
 - 5th Ed. 
 - Boston:  Houghton Mifflin company,  1994. 
 - x, 646p.:  ill.;  24cm. 
<br/><br/><label>ISBN: </label>0395674042 
<br/><br/><label>Dewey Class. No.: </label>659.3  / DEF