@book{287072,
	author = {United States.},
	title = {Background on revenue sources for the Social Security trust funds  :},
	publisher = {[Joint Committee on Taxation],},
	year = {[2019]},
	address = {[Washington, D.C.] :},
	note = {"July 24, 2019"--Cover.},
	url = {https://purl.fdlp.gov/GPO/gpo123849}
}