Leung, Y. (2018). Tourism and visitor management in protected areas: Guidelines for sustainability. IUCN. https://doi.org/10.2305/IUCN.CH.2018.PAG.27.en
Chicago-Zitierstil (17. Ausg.)Leung, Yu-Fai. Tourism and Visitor Management in Protected Areas: Guidelines for Sustainability. Gland, Switzerland: IUCN, 2018. https://doi.org/10.2305/IUCN.CH.2018.PAG.27.en.
MLA-Zitierstil (9. Ausg.)Leung, Yu-Fai. Tourism and Visitor Management in Protected Areas: Guidelines for Sustainability. IUCN, 2018. https://doi.org/10.2305/IUCN.CH.2018.PAG.27.en.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.