The 1989[nineteen eighty nine] world book year book  : the annual supplement to the world book encyclopedia 
/ [publ. by] the world book encyclopedia 
. - Chicago  London  Sydney; [etc.]  : World book, 1989
. - 576 p.  : ill.  ; 26 cm. 
 - The world book encyclopedia  00841439 .
<br/><br/>Index 
<br/><br/><label>ISBN: </label>0716604892 
<br/><br/><label>Universal Decimal Class. No.: </label>030.