Honey, M. (2002). Ecotourism & certification: Setting standards in practice. Washington, DC: Island Press.
Chicago ZitierstilHoney, Martha. Ecotourism & Certification: Setting Standards in Practice. Washington, DC: Island Press, 2002.
MLA ZitierstilHoney, Martha. Ecotourism & Certification: Setting Standards in Practice. Washington, DC: Island Press, 2002.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.