United States. Congress. Senate. Committee on Appropriations & ProQuest (Firm). (1930). Departments of State, Justice, Commerce, and Labor Appropriation Bill for 1931: Hearings before the United States Senate Committee on Appropriations, Seventy-First Congress, second session, on Feb. 1, 1930. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Appropriations and ProQuest (Firm). Departments of State, Justice, Commerce, and Labor Appropriation Bill for 1931: Hearings Before the United States Senate Committee on Appropriations, Seventy-First Congress, Second Session, on Feb. 1, 1930. Washington: U.S. G.P.O., 1930.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Appropriations and ProQuest (Firm). Departments of State, Justice, Commerce, and Labor Appropriation Bill for 1931: Hearings Before the United States Senate Committee on Appropriations, Seventy-First Congress, Second Session, on Feb. 1, 1930. U.S. G.P.O., 1930.