Citazione Stile APA (7a Edizione)

Costa, C., Panyik, E., & Buhalis, D. (2014). European tourism planning and organisation systems: The EU member states. Channel View Publications.

Citazione stile Chigago Style (17a edizione)

Costa, Carlos, Emese Panyik, e Dimitrios Buhalis. European Tourism Planning and Organisation Systems: The EU Member States. Bristol, United Kingdom: Channel View Publications, 2014.

Citatione MLA (9a ed.)

Costa, Carlos, et al. European Tourism Planning and Organisation Systems: The EU Member States. Channel View Publications, 2014.