Communication, cultural and media studies/  the key concepts 
Hartley, John 
 - 4th ed. 
 - London:  Routledge,  2011. 
 - 276 p. 
<br/><br/><label>ISBN: </label>9780415563239 
<br/><br/><label>Dewey Class. No.: </label>302.2  / HAR/C