United States. Congress. Joint Economic Committee. Subcommittee on Consumer Economics. (1973). Medical policies and costs: Hearings, Ninety-third Congress, first session, May 15 and 16, 1973. Government Printing Office.
芝加哥风格引文United States. Congress. Joint Economic Committee. Subcommittee on Consumer Economics. Medical Policies and Costs: Hearings, Ninety-third Congress, First Session, May 15 and 16, 1973. Washington, U.S: Government Printing Office, 1973.
MLA引文United States. Congress. Joint Economic Committee. Subcommittee on Consumer Economics. Medical Policies and Costs: Hearings, Ninety-third Congress, First Session, May 15 and 16, 1973. Government Printing Office, 1973.
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