APA (7th ed.) Zitazioa

Dowling, R. K., & Newsome, D. (2010). Global geotourism perspectives. Goodfellow Publishers Ltd..

Chicago Style (17th ed.) Zitazioa

Dowling, Ross Kingston, eta David Newsome. Global Geotourism Perspectives. Woodeaton, Oxford: Goodfellow Publishers Ltd., 2010.

MLA (9th ed.) Zitazioa

Dowling, Ross Kingston, eta David Newsome. Global Geotourism Perspectives. Goodfellow Publishers Ltd., 2010.