Vaughn, Stephen  . <br/><br/>
Freedom and entertainment: rating the movies in an age of new media /  
by Stephen Vaughn. 
 - Cambridge :   Cambridge University Press ,   2006 
 - xvi, 336p ;  
<br/><br/><label>ISBN: </label>0-521-67654-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Violence in motion pictures
<br/><br/><label>Dewey Class. No.: </label>4OaNW  / P6