Labov, William. <br/><br/>
The social stratification of English in New York City  xii, 485 p. 
William Labov 
 -  2nd edition 
 -  Cambridge university press.  2006. 
<br/><br/> Includes bibliographical references (p. 462-472) and index. 
<br/><br/><label>ISBN: </label>0521528054