United States. Congress. House. Committee on Interstate and Foreign Commerce. Subcommittee on Transportation and Aeronautics & ProQuest (Firm). (1970). Air fares and charter service: Hearings, Ninety-first Congress, second session .. 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). Air Fares and Charter Service: Hearings, Ninety-first Congress, Second Session .. 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). Air Fares and Charter Service: Hearings, Ninety-first Congress, Second Session .. U.S. Govt. Print. Off, 1970.