Wardhaugh, Ronald. <br/><br/>
An Introduction to sociolinguistics / 
Ronald Wardhaugh and Janet M. Fuller. 
 - 7th  ed. 
 - West Sussex, UK  John Wiley & Sons  2015. 
 - xvii, 427  p. 
<br/><br/><label>ISBN: </label>1118732298 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociolinguistics.
<br/><br/><label>LC Class. No.: </label>P40  / .W37 2015 c. 2