Wardhaugh, Ronald. <br/><br/>
An introduction to sociolinguistics / 
Ronald Wardhaugh. 
 - 3rd ed. 
 - Malden, Mass. :  Blackwell,  1998. 
 - vi, 404 p. ;  26 cm. 
 - Blackwell textbooks in linguistics ;  4 .
<br/><br/>Includes bibliographical references (p. [375]-400) and index. 
<br/><br/>
<br/><br/><label>ISBN: </label>0631204989  RM344.30 
<br/><br/><label>LCCN: </label>97-007777 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociolinguistics.