Cita APA (7th ed.)
ebrary, Inc, Kirstges, T., & L?uck, M. (2003). Global ecotourism policies and case studies: Perspectives and constraints. Channel View Publications.
Cita Chicago (17th ed.)
ebrary, Inc, Torsten Kirstges, i Michael L?uck. Global Ecotourism Policies and Case Studies: Perspectives and Constraints. Clevedon ; Buffalo: Channel View Publications, 2003.
Cita MLA (9th ed.)
ebrary, Inc, et al. Global Ecotourism Policies and Case Studies: Perspectives and Constraints. Channel View Publications, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.