(1992). Public-sector aviation issues: Graduate research award papers, 1990-1991. Transportation Research Board, National Research Council.
Citazione stile Chigago Style (17a edizione)Public-sector Aviation Issues: Graduate Research Award Papers, 1990-1991. Washington, D.C: Transportation Research Board, National Research Council, 1992.
Citatione MLA (9a ed.)Public-sector Aviation Issues: Graduate Research Award Papers, 1990-1991. Transportation Research Board, National Research Council, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.