The Cambridge Encyclopedia of Languages 
edited by David Crystal. 
 - 3rd ed. 
 - Cambridge, U.K. ;  New York, NY, U.S.A. :  Cambridge University Press,  2010 
 - vi, 1303 p. :  ill., maps (some col.) ;  29 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780521736503 
<br/><br/><label>LCCN: </label>96051462  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries.
<br/><br/><label>LC Class. No.: </label>AG5  / .C26 1997 
<br/><br/><label>Dewey Class. No.: </label>032