Crystal, David <br/><br/>
The Cambridge Encyclopedia of Language 
/ by David Crystal 
 - 3rd ed. 
 - New York;  Cambridge University Press:  2010. 
 - vii, 516p. 
<br/><br/><label>ISBN: </label>9780521516983 
<br/><br/><label>Dewey Class. No.: </label>403  / CRY/T