ebrary, Inc, Dowling, R. K., & Fennell, D. A. (2003). Ecotourism policy and planning. CABI Pub..
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Chicago Style (17th ed.) Citation
ebrary, Inc, Ross Kingston Dowling, and David A. Fennell. Ecotourism Policy and Planning. Wallingford, Oxon, UK ; Cambridge, MA, USA: CABI Pub., 2003.
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MLA引文
ebrary, Inc, et al. Ecotourism Policy and Planning. CABI Pub., 2003.
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警告：這些引文格式不一定是100％准確.