Wardhaugh, Ronald <br/><br/>
An introduction to sociolinguistics 
Ronald Wardhaugh and Janet M. Fuller 
 - 7th ed. 
 - West Sussex:  Wiley,  2015. 
 - xii, 427p. 
<br/><br/><label>ISBN: </label>9781118732298 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociolinguistics
<br/><br/><label>Dewey Class. No.: </label>306.44  / WAI