The 1978 world book :  year book : the annual supplement to The World Book Encyclopedia : a review of the events of 1977. 

 - Chicago :  World Book-Childcraft International,  1978. 
 - 608 p. :  ill. (some col.). 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Index Terms: </label>მსოფლიო წიგნი წელიწდეული 
<br/><br/><label>Universal Decimal Class. No.: </label>050.8(100)