National Research Council (U.S.). Transportation Research Board. (1997). Public-sector aviation issues: Graduate research award papers, 1995-1996. National Academy Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Research Council (U.S.). Transportation Research Board. Public-sector Aviation Issues: Graduate Research Award Papers, 1995-1996. Washington, D.C: National Academy Press, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNational Research Council (U.S.). Transportation Research Board. Public-sector Aviation Issues: Graduate Research Award Papers, 1995-1996. National Academy Press, 1997.
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