@book{226292,
	author = {Powell, Jillian.},
	title = {Descubramos Nigeria},
	publisher = {Gareth Stevens Pub.},
	year = {c2007.},
	series = {Descubramos países del mundo},
	address = {Milwaukee, Wis.},
	url = {http://www.loc.gov/catdir/toc/ecip074/2006035321.html}
}