Wardhaugh, Ronald. <br/><br/>
An introduction to sociolinguistics / 
Ronald Wardhaugh and Janet M. Fuller. 
 - 7th ed. 
 - Chichester, West Sussex, UK ;  Malden, MA :  Wiley Blackwell,  2015. 
 - xii, 427 pages :  illustrations ;  25 cm. 
 - Blackwell textbooks in linguistics,  no. 4 .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781118732298 (pbk.) 
<br/><br/><label>LCCN: </label>2014030512 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociolinguistics.
<br/><br/><label>LC Class. No.: </label>P40  / .W27 2015 
<br/><br/><label>Dewey Class. No.: </label>306.44