Citace podle APA (7th ed.)
ebrary, Inc, O'Connell, J. F., & Williams, G. (2011). Air transport in the 21st century: Key strategic developments. Ashgate.
Citace podle Chicago (17th ed.)
ebrary, Inc, John F. O'Connell, a George Williams. Air Transport in the 21st Century: Key Strategic Developments. Farnham, England ; Burlington, Vt.: Ashgate, 2011.
Citace podle MLA (9th ed.)
ebrary, Inc, et al. Air Transport in the 21st Century: Key Strategic Developments. Ashgate, 2011.
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