Wardhaugh, Ronald. <br/><br/>
An introduction to sociolinguistics / 
Ronald Wardhaugh. 
 - 2nd ed. 
 - New York, NY, USA :  Blackwell,  1992. 
 - vi, 400 p. :  ill. ;  23 cm. 
<br/><br/>Includes index and bibliographies. 
<br/><br/>
<br/><br/><label>ISBN: </label>0631183531 
<br/><br/><label>LCCN: </label>85015792  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociolinguistics.
<br/><br/><label>LC Class. No.: </label>P40  / .W27 1986 
<br/><br/><label>Dewey Class. No.: </label>306.44 WAI