Time Almanac 2012 / 
Powered by Encyclopædia Britannica 
 - Chicago:  Encyclopedia Britannica, Inc.,  2011 
 - 864 p. 
<br/><br/><label>ISBN: </label>9781603209014 
<br/><br/><label>Subjects--Index Terms: </label>Bách khoa thư Anh 
<br/><br/><label>Dewey Class. No.: </label>032  / TIM 2011