CRYSTAL, David <br/><br/>
English as a Global Language/ 

 - New York;  Cambridge University Press,  1997. 
 - xii, 150 p.  ill. 
<br/><br/> Includes References and Index. 
<br/><br/><label>ISBN: </label>9780521629942 
<br/><br/><label>Dewey Class. No.: </label>420