United States. Congress. Joint Economic Committee & ProQuest (Firm). (1989). The Social security trust fund surplus: Hearing before the Joint Economic Committee, Congress of the United States, One Hundred First Congress, first session, June 15, 1989. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Joint Economic Committee and ProQuest (Firm). The Social Security Trust Fund Surplus: Hearing Before the Joint Economic Committee, Congress of the United States, One Hundred First Congress, First Session, June 15, 1989. Washington: U.S. G.P.O., 1989.
MLA (9th ed.) CitationUnited States. Congress. Joint Economic Committee and ProQuest (Firm). The Social Security Trust Fund Surplus: Hearing Before the Joint Economic Committee, Congress of the United States, One Hundred First Congress, First Session, June 15, 1989. U.S. G.P.O., 1989.