Hart, Andrew <br/><br/>
Understanding the media :  a practical guide / 
Andrew Hart 
 - London :  Routledge ,ed,  1991       
 - vi 267 p. 
<br/><br/><label>ISBN: </label>0415057124 
<br/><br/><label>LC Class. No.: </label>P 90 H325u 1991