World statistics in brief 

 - 6th ed. 
 - New York :    United Nations,    1981. 
 - 97 p. :    ill. ;    18 cm. 
<br/><br/><label>Subjects--Corporate Names: </label><br/> United Nations.
<br/><br/><label>Subjects--Topical Terms: </label><br/> Statistics.