Fergusson, Rpsalind. <br/><br/>
New penguin thesaurus 

 - London :  Pengun Books,  2007 
 - 666. 
<br/><br/><label>ISBN: </label>0140293116  
<br/><br/><label>Subjects--Topical Terms: </label><br/>English dictionaries
<br/><br/><label>Dewey Class. No.: </label>423  / FER