Statistical yearbook 1985= 
 Annauaire statitstique 1985=  anuarion estadistico 1985 

. - Paris  : UNESCO, 1985
. - pagination multiple  ; 30 cm. 
<br/><br/><label>ISBN: </label>9230023515 
<br/><br/><label>Source: </label> don 
<br/><br/><label>Universal Decimal Class. No.: </label>311.