@book{219990,
	author = {Chauffour, Jean-Pierre. and World Bank.},
	title = {Preferential trade agreement policies for development},
	publisher = {World Bank,},
	year = {2011.},
	address = {Washington, D.C. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10506414}
}