Fiscal Year 1993 : Appendix Two. Budget Enforcement Act Preview Report and Current Services Estimates
United States. Bureau of the Budget and United States. Office of Management and Budget. "Fiscal Year 1993," Budget of the United States Government (January 29, 1992). https://fraser.stlouisfed.org/scribd/?item_id=19043&filepath=/files/docs/publications/usbudget/bus_1993_sec6.pdf, accessed on November 21, 2017.