Demographic yearbook, 1988 
United Nations. 
 - 40th ed. 
 - New York  United Nations  1990 
 - xi, 1301p  32cm 
 - (special topics of the demographic yearbook series: 1948-1988) .
<br/><br/><label>ISBN: </label>ISBN : 92-1-051073-9. 
<br/><br/><label>Dewey Class. No.: </label>304.6021  / U04D