The Doubleday roget's thesaurus in dictionary form / 
ed. Sidney I. Landau Ronald J. Bogus. 
 - New York :  Doubleday & Company,  1977. 
 - 804 p. 
<br/><br/><label>ISBN: </label>0385012365 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>OC 801.314: 030.8 =20 "1977" DOU