Dyfyniad APA

Buhalis, D., & Costa, C. (2006). Tourism business frontiers: Consumers, products and industry. Butterworth-Heinemann.

Dyfyniad Arddull Chicago

Buhalis, Dimitrios, and Carlos Costa. Tourism Business Frontiers: Consumers, Products and Industry. Amsterdam: Butterworth-Heinemann, 2006.

Dyfyniad MLA

Buhalis, Dimitrios, and Carlos Costa. Tourism Business Frontiers: Consumers, Products and Industry. Butterworth-Heinemann, 2006.

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