Bayley,Robert (ed); Cameron, Richard ; Lucas, Ceil <br/><br/>
The Oxford handbook of sociolinguistics  

 - Oxford  Oxford University Press  2013. 
 - xxv; 884 p. 
<br/><br/><label>ISBN: </label>9780190233747 
<br/><br/><label>Source: </label> 7524.00 PKR