World mark encyclopaedia of the nations 
/ United Nations 
 - New York:   John Wiley & Sons Inc,   1984 
 - xxii, 282p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopaedia
<br/><br/><label>Universal Decimal Class. No.: </label>R 030.1  / M4.1