Wardhaugh, Ronald, <br/><br/>
An introduction to sociolinguistics / 
Ronald Wardhaugh 
 - 3rd ed. 
 - 404 páginas 
<br/><br/><label>ISBN: </label>0-631-20498-9 (encuadernado) 0-631-20499-7 (rustica) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociolingüística
<br/><br/><label>LC Class. No.: </label>P40  / W27 1998