Wardhaugh, Ronald  <br/><br/>
An Intro To Sociolinguistics :  Blackwell Textbooks in Linguistics / 

 - 7th edition. 
 - UK:  Wiley,  2015. 
 - xii, 427p 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>978-1118732298 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English linguistics 
<br/><br/><label>Dewey Class. No.: </label>401.9  / RON-A