APA-referens (7:e uppl.)

National Research Council (U.S.). Transportation Research Board. (1999). Entry and competition in the U.S. airline industry: Issues and opportunities. Transportation Research Board, National Research Council.

Chicago-referens (17:e uppl.)

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.

MLA-referens (9:e uppl.)

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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