Conventz, S., Derudder, B., Thierstein, A., & Witlox, F. (2014). Hub cities in the knowledge economy: Seaports, airports, brainports. Ashgate Publishing Limited.
Citace podle Chicago (17th ed.)Conventz, Sven, Ben Derudder, Alain Thierstein, a Frank Witlox. Hub Cities in the Knowledge Economy: Seaports, Airports, Brainports. Farnham, Surrey, England: Ashgate Publishing Limited, 2014.
Citace podle MLA (9th ed.)Conventz, Sven, et al. Hub Cities in the Knowledge Economy: Seaports, Airports, Brainports. Ashgate Publishing Limited, 2014.
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