Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Buhalis, Dimitrios, y Carlos Costa. Tourism Business Frontiers: Consumers, Products and Industry. Amsterdam: Elsevier, 2006.

Cita MLA (8a ed.)

Buhalis, Dimitrios, y Carlos Costa. Tourism Business Frontiers: Consumers, Products and Industry. Elsevier, 2006.