United States. Bureau of the Budget and United States. Office of Management and Budget. "General Accounting Office Preferred Presentation," in United States. Bureau of the Budget and United States. Office of Management and Budget. "Fiscal Year 1992," Budget of the United States Government (February 4, 1991) : 31-32. https://fraser.stlouisfed.org/title/54/item/18998/content/pdf/bus_1992_sec7/toc/66954 , accessed on May 3, 2024.