Wardhaugh, Ronald. <br/><br/>
An introduction to sociolinguistics / 
Ronald Wardhaugh. 
 - 3rd ed. 
 - Cambridge, MA :  Blackwell,  1998. 
 - vi, 404 p. :  ill.  
 - Blackwell textbooks in linguistics ;  4 .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0631204989 (alk. paper) 0631204997 (pbk. : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociolinguistics.
<br/><br/><label>LC Class. No.: </label>P40  / .W27 1998 
<br/><br/><label>Dewey Class. No.: </label>306.44