Wardhaugh, Ronald. <br/><br/>
Introduction to sociolinguistics. 

 - Oxford  Basil Blackwell  1986 
 - 273p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>P0Y1
<br/><br/><label>Dewey Class. No.: </label>P0Y1  / L6