United States. Congress. House. Committee on Education and Labor. Select Subcommittee on Labor & ProQuest (Firm). (1969). Benefits to Employees in the Mining Industry: Hearings before the United States House Committee on Education and Labor, Select Subcommittee on Labor, Ninety-First Congress, first session, on June 3, 4, 25, 26, July 9, 10, 15, 1969. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Education and Labor. Select Subcommittee on Labor and ProQuest (Firm). Benefits to Employees in the Mining Industry: Hearings Before the United States House Committee on Education and Labor, Select Subcommittee on Labor, Ninety-First Congress, First Session, on June 3, 4, 25, 26, July 9, 10, 15, 1969. Washington: U.S. G.P.O., 1969.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Education and Labor. Select Subcommittee on Labor and ProQuest (Firm). Benefits to Employees in the Mining Industry: Hearings Before the United States House Committee on Education and Labor, Select Subcommittee on Labor, Ninety-First Congress, First Session, on June 3, 4, 25, 26, July 9, 10, 15, 1969. U.S. G.P.O., 1969.