Crystal, David <br/><br/>
The Cambridge Encyclopedia of Language 

 - 3th ed.  
 - New York  Cambridge University  2010 
 - 516p 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label>9780521516983  7036 
<br/><br/><label>Dewey Class. No.: </label>U03  / C890