United States. Congress. House. Committee on Ways and Means. Subcommittee on Social Security & ProQuest (Firm). (1981). Demographic trends and the social security system: Briefing before the Subcommittee on Social Security of the Committee on Ways and Means, House of Representatives, Ninety-sixth Congress, second session, December 2, 1980. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Ways and Means. Subcommittee on Social Security and ProQuest (Firm). Demographic Trends and the Social Security System: Briefing Before the Subcommittee on Social Security of the Committee on Ways and Means, House of Representatives, Ninety-sixth Congress, Second Session, December 2, 1980. Washington, D.C.: U.S. G.P.O., 1981.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Ways and Means. Subcommittee on Social Security and ProQuest (Firm). Demographic Trends and the Social Security System: Briefing Before the Subcommittee on Social Security of the Committee on Ways and Means, House of Representatives, Ninety-sixth Congress, Second Session, December 2, 1980. U.S. G.P.O., 1981.