United States. Congress. House. Committee on the District of Columbia. Subcommittee No. 4. & ProQuest (Firm). (1971). Minimum wages and safety standards: Hearings, Ninety-first Congress .. U.S. Govt. Print. Off.
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on the District of Columbia. Subcommittee No. 4. and ProQuest (Firm). Minimum Wages and Safety Standards: Hearings, Ninety-first Congress .. Washington: U.S. Govt. Print. Off, 1971.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on the District of Columbia. Subcommittee No. 4. and ProQuest (Firm). Minimum Wages and Safety Standards: Hearings, Ninety-first Congress .. U.S. Govt. Print. Off, 1971.
Warning: These citations may not always be 100% accurate.