Statistical yearbook, United Nations 
 Annuaire statistique, Nations Unies 

 - New York, N.Y. :  UNITED NATIONS (UN), 
 - Anual 
<br/><br/><label>ISSN: </label>0082-8459 
 = Statistical yearbook, United Nations 
<br/><br/><label>Subjects--Index Terms: </label>ESTADISTICA