Dyfyniad APA

Conventz, S., Derudder, B., Thierstein, A., & Witlox, F. (2014). Hub cities in the knowledge economy: Seaports, airports, brainports. Ashgate Publishing Limited.

Dyfyniad Arddull Chicago

Conventz, Sven, Ben Derudder, Alain Thierstein, and Frank Witlox. Hub Cities in the Knowledge Economy: Seaports, Airports, Brainports. Farnham, Surrey, England: Ashgate Publishing Limited, 2014.

Dyfyniad MLA

Conventz, Sven, et al. Hub Cities in the Knowledge Economy: Seaports, Airports, Brainports. Ashgate Publishing Limited, 2014.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.