APA (7th ed.) Zitazioa
ebrary, Inc, World Parks Congress, Bushell, R., & Eagles, P. F. J. (2006). Tourism and protected areas: Benefits beyond boundaries. CABI Pub..
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, World Parks Congress, Robyn Bushell, eta Paul F. J. Eagles. Tourism and Protected Areas: Benefits Beyond Boundaries. Wallingford ; Cambridge, MA: CABI Pub., 2006.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Tourism and Protected Areas: Benefits Beyond Boundaries. CABI Pub., 2006.
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