Basic facts about the united nations. 

 - New York : United Nations. Department of Public Information, 1995. 
 - xiv, 341 p.; 21 cm. fot. 
<br/><br/><label>ISBN: </label>9211005701 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>341.123 =20 "1995" ABC.