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Citace podle Chicago (17th ed.)National Research Council (U.S.). Transportation Research Board. Entry and Competition in the U.S. Airline Industry: Issues and Opportunities. Washington, DC: Transportation Research Board, National Research Council, 1999.
Citace podle MLA (9th ed.)National Research Council (U.S.). Transportation Research Board. Entry and Competition in the U.S. Airline Industry: Issues and Opportunities. Transportation Research Board, National Research Council, 1999.
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