@book{168609,
	author = {World Bank and World Bank},
	title = {The Little Green Data Book 2011},
	publisher = {The World Bank,},
	year = {2011},
	series = {World Development Indicators},
	address = {Washington, D.C. :},
	url = {http://elibrary.worldbank.org/content/book/9780821388624}
}