APA (7th ed.) Zitazioa

Conrady, R., & Buck, M. (2008). Trends and Issues in Global Tourism 2008. Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-540-77798-4

Chicago Style (17th ed.) Zitazioa

Conrady, Roland, eta Martin Buck. Trends and Issues in Global Tourism 2008. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. https://doi.org/10.1007/978-3-540-77798-4.

MLA (9th ed.) Zitazioa

Conrady, Roland, eta Martin Buck. Trends and Issues in Global Tourism 2008. Springer Berlin Heidelberg, 2008. https://doi.org/10.1007/978-3-540-77798-4.