Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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