The statesmans year-book :  Statistical and historical annual of the stats of the world for the year 1992-1993 / 
EDited by Brian Hunter. 
 - New York :  St. Martin's Press,  1992. 
 - 1702 p. ;  20 cm. 
<br/><br/><label>ISBN: </label>0-312-07975-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Վիճակագրություն