Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Conrady, Roland, i 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.

Cita MLA (9th ed.)

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