United States. Congress. House. Committee on Education and Labor & ProQuest (Firm). (1977). Black lung benefits provisions of the Federal coal mine health and safety act: Hearings before the Committee on Education and Labor, House of Representatives, Ninety-fifth Congress, first session .. U.S. Govt. Print. Off.
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Education and Labor and ProQuest (Firm). Black Lung Benefits Provisions of the Federal Coal Mine Health and Safety Act: Hearings Before the Committee on Education and Labor, House of Representatives, Ninety-fifth Congress, First Session .. Washington: U.S. Govt. Print. Off, 1977.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Education and Labor and ProQuest (Firm). Black Lung Benefits Provisions of the Federal Coal Mine Health and Safety Act: Hearings Before the Committee on Education and Labor, House of Representatives, Ninety-fifth Congress, First Session .. U.S. Govt. Print. Off, 1977.