United States. Congress. Senate. Committee on Government Operations. Subcommittee on Foreign Aid Expenditures. (1966). Population crisis: Hearings, Eighty-ninth Congress, first session. Govt. Off.
芝加哥风格引文United States. Congress. Senate. Committee on Government Operations. Subcommittee on Foreign Aid Expenditures. Population Crisis: Hearings, Eighty-ninth Congress, First Session. Washington, U.S: Govt. Off, 1966.
MLA引文United States. Congress. Senate. Committee on Government Operations. Subcommittee on Foreign Aid Expenditures. Population Crisis: Hearings, Eighty-ninth Congress, First Session. Govt. Off, 1966.
警告：这些引文格式不一定是100％准确.