Sharpley, R. (2009). Tourism development and the environment: Beyond sustainability? (1. publ. in the UK and USA.). Earthscan.
Chicago-Zitierstil (17. Ausg.)Sharpley, Richard. Tourism Development and the Environment: Beyond Sustainability? 1. publ. in the UK and USA. London ; Sterling, VA: Earthscan, 2009.
MLA-Zitierstil (9. Ausg.)Sharpley, Richard. Tourism Development and the Environment: Beyond Sustainability? 1. publ. in the UK and USA. Earthscan, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.