Wardhaugh, Ronald. <br/><br/>
An introduction to sociolinguistics / 
Ronald Wardhaugh. 
 - 2nd ed. 
 - Oxford :   Blackwell,  c1992 [Reprinted 1993]. 
 - vi, 400 pages :  illustrations ;  20 cm. 
 - Blackwell textbooks in linguistics. .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>063114272X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociolinguistics.
<br/><br/><label>Dewey Class. No.: </label>306.44 WAR