United States. Congress. Senate. Committee on Post Office and Civil Service & ProQuest (Firm). (1950). Postal Rate Increases: Hearings before the United States Senate Committee on Post Office and Civil Service, Eighty-First Congress, second session, on Apr. 25, 27, May 2, 4, 9, June 27-29, 1950. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Post Office and Civil Service and ProQuest (Firm). Postal Rate Increases: Hearings Before the United States Senate Committee on Post Office and Civil Service, Eighty-First Congress, Second Session, on Apr. 25, 27, May 2, 4, 9, June 27-29, 1950. Washington: U.S. G.P.O., 1950.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Post Office and Civil Service and ProQuest (Firm). Postal Rate Increases: Hearings Before the United States Senate Committee on Post Office and Civil Service, Eighty-First Congress, Second Session, on Apr. 25, 27, May 2, 4, 9, June 27-29, 1950. U.S. G.P.O., 1950.