The Europa world year book 1989 volume II : kampuchea-zimbabwe .-30th ed .-0-946653-49-6 

 - Europa Publishing Limited, London  1926 
 - xix,1510 
<br/><br/><label>ISBN: </label>0-946653-49-6 
<br/><br/><label>Dewey Class. No.: </label>R910.3 E.W.Y.B.