United States. Congress. Senate. Committee on Post Offices and Post Roads & ProQuest (Firm). (1928). Metered Postage Regulation: Hearings before the United States Senate Committee on Post Offices and Post Roads, Seventieth Congress, first session, on Apr. 23, 1928. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Post Offices and Post Roads and ProQuest (Firm). Metered Postage Regulation: Hearings Before the United States Senate Committee on Post Offices and Post Roads, Seventieth Congress, First Session, on Apr. 23, 1928. Washington: U.S. G.P.O., 1928.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Post Offices and Post Roads and ProQuest (Firm). Metered Postage Regulation: Hearings Before the United States Senate Committee on Post Offices and Post Roads, Seventieth Congress, First Session, on Apr. 23, 1928. U.S. G.P.O., 1928.