@book{240280,
	author = {United States and United States},
	title = {How welfare and tax benefits can discourage work},
	publisher = {U.S. Government Printing Office},
	year = {2013.},
	address = {Washington},
	note = {Shipping list no.: 2013-0213-P.},
	url = {http://purl.fdlp.gov/GPO/gpo35784}
}