United States. Congress. Senate. Committee on Aeronautical and Space Sciences & ProQuest (Firm). (1968). NASA's Proposed Operating Plan for FY69: Hearings before the United States Senate Committee on Aeronautical and Space Sciences, Ninetieth Congress, second session, on Oct. 3, 1968. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Aeronautical and Space Sciences and ProQuest (Firm). NASA's Proposed Operating Plan for FY69: Hearings Before the United States Senate Committee on Aeronautical and Space Sciences, Ninetieth Congress, Second Session, on Oct. 3, 1968. Washington: U.S. G.P.O., 1968.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Aeronautical and Space Sciences and ProQuest (Firm). NASA's Proposed Operating Plan for FY69: Hearings Before the United States Senate Committee on Aeronautical and Space Sciences, Ninetieth Congress, Second Session, on Oct. 3, 1968. U.S. G.P.O., 1968.