Collings, W. Z. (1979). Review of defense-related vertical and short takeoff and landing (V/STOL) aircraft programs: A staff study for the Committee on Armed Services, House of Representatives, Ninety-sixth Congress, first session. U.S. G.P.O..
Chicago Style (17th ed.) CitationCollings, Walter Z. Review of Defense-related Vertical and Short Takeoff and Landing (V/STOL) Aircraft Programs: A Staff Study for the Committee on Armed Services, House of Representatives, Ninety-sixth Congress, First Session. Washington: U.S. G.P.O., 1979.
MLA (9th ed.) CitationCollings, Walter Z. Review of Defense-related Vertical and Short Takeoff and Landing (V/STOL) Aircraft Programs: A Staff Study for the Committee on Armed Services, House of Representatives, Ninety-sixth Congress, First Session. U.S. G.P.O., 1979.