APA aipamena

Fabio Cerina. (2012). Economics of sustainable tourism. Routledge.

Chicago Style aipamena

Fabio Cerina. Economics of Sustainable Tourism. London: Routledge, 2012.

MLA aipamena

Fabio Cerina. Economics of Sustainable Tourism. Routledge, 2012.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.