@book{227345,
	author = {U.S. Citizenship and Immigration Services.},
	title = {Tarjetas de educación cívica para el examen de naturalizacíon},
	publisher = {U.S. Dept. of Homeland Security, U.S. Citizenship and Immigration Services},
	year = {[2012]},
	address = {[Washington, D.C.]},
	note = {Shipping list no.: 2012-0277-P.},
	url = {http://purl.fdlp.gov/GPO/gpo23476}
}