Crystal, D. <br/><br/>
The Cambridge Encyclopedia of language 
D Crystal 
 - London    Cambridge  1987 
<br/><br/><label>ISBN: </label>0-521-264-383 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language And Languages - Dictionaries.
<br/><br/><label>LC Class. No.: </label>P 29 .C791