APA-viite (7. p.)
ebrary, Inc, Kozak, M., & Kozak, N. (2011). Sustainability of tourism: Cultural and environmental perspectives. Cambridge Scholars Pub..
Chicago-viite (17. p.)
ebrary, Inc, Metin Kozak, ja Nazmi Kozak. Sustainability of Tourism: Cultural and Environmental Perspectives. Newcastle upon Tyne: Cambridge Scholars Pub., 2011.
MLA-viite (9. p.)
ebrary, Inc, et al. Sustainability of Tourism: Cultural and Environmental Perspectives. Cambridge Scholars Pub., 2011.
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