Crstal, David  . <br/><br/>
Cambridge encyclopedia of language /  
by David Crystal. 
 - 2nd ed /  
 - Cambridge :   Cambridge University Press ,   1997 
 - 480p ;  
<br/><br/><label>ISBN: </label>9-521-55050-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language
<br/><br/><label>Dewey Class. No.: </label>P111k  / N7