Trudgill, Peter <br/><br/>
Sociolinguistics: An introduction 

 - England  Penguin Books  1974 
 - 189p. 
<br/><br/><label>ISBN: </label> RS 40.55 
<br/><br/><label>Source: </label> RS 40.55 
<br/><br/><label>Dewey Class. No.: </label>401.9 TRU