APA-čujuhus (7. p.)
ebrary, Inc, Stronza, A., & Durham, W. H. (2008). Ecotourism and conservation in the Americas. CABI Pub..
Chicago-čujuhus (17. p.)
ebrary, Inc, Amanda Stronza, juo William H. Durham. Ecotourism and Conservation in the Americas. Wallingford, Oxfordshire ; Cambridge, MA: CABI Pub., 2008.
MLA-čujuhus (9. p.)
ebrary, Inc, et al. Ecotourism and Conservation in the Americas. CABI Pub., 2008.
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