Trudgill, Peter <br/><br/>
Socioliinguistics . an introduction 

 - Harmondsworth  Penguin Books  1981 
 - 189 p 
 - Pelican books .
<br/><br/><br/>Inglés 
<br/><br/><label>ISBN: </label>0-1402-1802-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIOLINGUISTICA