(1992). Public-sector aviation issues: Graduate research award papers, 1990-1991. Transportation Research Board, National Research Council.
Chicago-viite (17. p.)Public-sector Aviation Issues: Graduate Research Award Papers, 1990-1991. Washington, D.C: Transportation Research Board, National Research Council, 1992.
MLA-viite (9. p.)Public-sector Aviation Issues: Graduate Research Award Papers, 1990-1991. Transportation Research Board, National Research Council, 1992.
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