Törn, A. (2007). Sustainability of nature-based tourism. University of Oulu.
Chicago Style (17th ed.) CitationTörn, A. Sustainability of Nature-based Tourism. University of Oulu, 2007.
MLA (9th ed.) CitationTörn, A. Sustainability of Nature-based Tourism. University of Oulu, 2007.
Warning: These citations may not always be 100% accurate.