Ronald Wardhaugh and Janet M. Fuller <br/><br/>
An Introduction to Sociolinguistics 

 - Malden, Oxford, Chichester  Willey Blackwell  2015 
<br/><br/><label>ISBN: </label>978-1-118-73229-8 
<br/><br/><label>Dewey Class. No.: </label>417.1WARA