APA aipamena

Müller. (2013). New Issues in Polar Tourism (1.). Springer Netherlands.

Chicago Style aipamena

Müller. New Issues in Polar Tourism. 1. Springer Netherlands, 2013.

MLA aipamena

Müller. New Issues in Polar Tourism. 1. Springer Netherlands, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.