Wardhaugh, Ronald. <br/><br/>
An introduction to sociolinguistics / 
Ronald Wardhaugh. 
 - 4th ed. 
 - Malden, MA :  Blackwell Pub.,  2002. 
 - vi, 408 p. :  ill. ;  25 cm. 
 - Blackwell textbooks in linguistics ;  4 .
<br/><br/>Includes bibliographical references (p. [382]-404) and index. 
<br/><br/>
<br/><br/><label>ISBN: </label>0631225390 (hardback) 0631225404 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociolinguistics.
<br/><br/><label>Dewey Class. No.: </label>306.44  / WAI