Wardhaugh, Ronald. <br/><br/>
An introduction to sociolinguistics 
Ronald Wardhaugh. 
 - 2nd ed. 
 - Oxford, UK  Cambridge, Mass., USA  B. Blackwell  1992,1993. 
 - p. cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0631183531  24.95 
<br/><br/><label>LCCN: </label>91027047  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociolinguistics
<br/><br/><label>LC Class. No.: </label>P40  / .W27 1992 
<br/><br/><label>Dewey Class. No.: </label>306.4/4