(1992). Public-sector aviation issues: Graduate research award papers, 1990-1991. Transportation Research Board, National Research Council.
Cita Chicago (17th ed.)Public-sector Aviation Issues: Graduate Research Award Papers, 1990-1991. Washington, D.C: Transportation Research Board, National Research Council, 1992.
Cita MLA (9th ed.)Public-sector Aviation Issues: Graduate Research Award Papers, 1990-1991. Transportation Research Board, National Research Council, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.