(1992). Public-sector aviation issues: Graduate research award papers, 1990-1991. Transportation Research Board, National Research Council.
Chicago-Zitierstil (17. Ausg.)Public-sector Aviation Issues: Graduate Research Award Papers, 1990-1991. Washington, D.C: Transportation Research Board, National Research Council, 1992.
MLA-Zitierstil (9. Ausg.)Public-sector Aviation Issues: Graduate Research Award Papers, 1990-1991. Transportation Research Board, National Research Council, 1992.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.