United States. Congress. Senate. Committee on Commerce. Aviation Subcommittee & ProQuest (Firm). (1971). Local air service to small communities: Hearings before the Subcommittee on Aviation of the Committee on Commerce, United States Senate, Ninety-first Congress, second session .. U.S. Govt. Print. Off.
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Commerce. Aviation Subcommittee and ProQuest (Firm). Local Air Service to Small Communities: Hearings Before the Subcommittee on Aviation of the Committee on Commerce, United States Senate, Ninety-first Congress, Second Session .. Washington: U.S. Govt. Print. Off, 1971.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Commerce. Aviation Subcommittee and ProQuest (Firm). Local Air Service to Small Communities: Hearings Before the Subcommittee on Aviation of the Committee on Commerce, United States Senate, Ninety-first Congress, Second Session .. U.S. Govt. Print. Off, 1971.