APA Citatie

(2002). Ecotourism and certification: Setting standards in practice. Washington: Iskand Press.

Chicago Style citaat

Ecotourism and Certification: Setting Standards in Practice. Washington: Iskand Press, 2002.

MLA citatie

Ecotourism and Certification: Setting Standards in Practice. Washington: Iskand Press, 2002.

Let op: Deze citaties zijn niet altijd 100% accuraat.