Annuaire statistique=statistical yearbook=anuario estadistico 
/ Unesco 
. - Paris  : Unesco, 1981
. - Pagination multiple  ; 29 cm. 
<br/><br/><label>ISBN: </label>9230019658 
<br/><br/><label>Source: </label> Fonds FACAGRO 
<br/><br/><label>Universal Decimal Class. No.: </label>370.