@book{209935,
	author = {United States},
	title = {Individual income tax returns},
	publisher = {Dept. of the Treasury, Internal Revenue Service},
	year = {1986-},
	series = {Publication / Statistics of Income Division, Internal Revenue Service},
	address = {Washington, DC},
	url = {http://purl.access.gpo.gov/GPO/LPS4787}
}