United States. Congress. House. Committee on Interstate and Foreign Commerce & ProQuest (Firm). (1947). Safety in Air Navigation: Hearings before the United States House Committee on Interstate and Foreign Commerce, Eightieth Congress, first session, on Jan. 22, 23, 28-31, 1947. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Interstate and Foreign Commerce and ProQuest (Firm). Safety in Air Navigation: Hearings Before the United States House Committee on Interstate and Foreign Commerce, Eightieth Congress, First Session, on Jan. 22, 23, 28-31, 1947. Washington: U.S. G.P.O., 1947.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Interstate and Foreign Commerce and ProQuest (Firm). Safety in Air Navigation: Hearings Before the United States House Committee on Interstate and Foreign Commerce, Eightieth Congress, First Session, on Jan. 22, 23, 28-31, 1947. U.S. G.P.O., 1947.