Lua APA (7ú heag.)
ebrary, Inc, Kozak, M., & Kozak, N. (2011). Sustainability of tourism: Cultural and environmental perspectives. Cambridge Scholars Pub..
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, Metin Kozak, agus Nazmi Kozak. Sustainability of Tourism: Cultural and Environmental Perspectives. Newcastle upon Tyne: Cambridge Scholars Pub., 2011.
Lua MLA (9ú heag.)
ebrary, Inc, et al. Sustainability of Tourism: Cultural and Environmental Perspectives. Cambridge Scholars Pub., 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.