World Development Indicators 2011 / 
World Bank. 
 - New York :  World Bank,  2011. 
 - xxiii, 435 p. :  ill. ;  28 cm. 
<br/><br/> Includes Index. 
<br/><br/><label>ISBN: </label>9780821387092 
<br/><br/><label>Dewey Class. No.: </label>338.9005  / WOR 2011