Wardhaugh, Ronald. <br/><br/>
An introduction to sociolinguistics / 
Ronald Wardhaugh. 
 - 6th ed. 
 - Malden, MA :  Wiley-Blackwell,  2010. 
 - VI, 450 p. 
<br/><br/><label>ISBN: </label>9781405186681 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociolinguistics.---
<br/><br/><label>Dewey Class. No.: </label>306.44  / In