Perry, David K <br/><br/>
Theory and research in mass communication :  contexts and consequences / 
David K. Perry 
 - Mahwah :  Lawrence Erlbaum Associates, Publishers,  1996       
 - ix, 229 p. 
<br/><br/><label>ISBN: </label>080581924X 
<br/><br/><label>LC Class. No.: </label>P 90 P462t 1996