United States. Congress. House. Committee on Interstate and Foreign Commerce. Subcommittee on Transportation and Aeronautics & ProQuest (Firm). (1970). Civil Aeronautics Board air mail rate authority: Hearings, Ninety-first Congress, second session, on H.R. 16879 ... April 14 and 15, 1970. U.S. Govt. Print. Off.
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Interstate and Foreign Commerce. Subcommittee on Transportation and Aeronautics and ProQuest (Firm). Civil Aeronautics Board Air Mail Rate Authority: Hearings, Ninety-first Congress, Second Session, on H.R. 16879 ... April 14 and 15, 1970. Washington: U.S. Govt. Print. Off, 1970.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Interstate and Foreign Commerce. Subcommittee on Transportation and Aeronautics and ProQuest (Firm). Civil Aeronautics Board Air Mail Rate Authority: Hearings, Ninety-first Congress, Second Session, on H.R. 16879 ... April 14 and 15, 1970. U.S. Govt. Print. Off, 1970.