Chawla Ramesh. (2006). Ecology and Tourism development/1e. Sumit.
シカゴスタイル引用形Chawla Ramesh. Ecology and Tourism Development/1e. Delhi: Sumit, 2006.
MLA引用形式Chawla Ramesh. Ecology and Tourism Development/1e. Sumit, 2006.
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APA引用形式