William Labov <br/><br/>
Principles of Linguistic Change  Social Factors  29  Language in Society 

 - Malden  Blackwell Publishers  2001 
 -  Volume 29 .
<br/><br/><label>ISBN: </label>978-0-631-17916-0 
<br/><br/><label>Dewey Class. No.: </label>417.1LABP(2)