Davison, W. Phillips <br/><br/>
Mass media  systems and effects 
W. Phillips Davison, James Boylan, Frederick T. C. Yu. 
 - 2nd ed. 
 - New York  Holt Rinehart and Winston  c1982. 
 - x, 264 p. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 230-252. 
<br/><br/><label>ISBN: </label>0030524814 (pbk.) 
<br/><br/><label>LCCN: </label>81007182  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media--Social aspects.<br/>Communication--Social aspects.
<br/><br/><label>LC Class. No.: </label>HM258  / .D29 1982 
<br/><br/><label>Dewey Class. No.: </label>302.2/3