Não informado. (2007). Tourism and hospitality research. Henry Stewart Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Tourism and Hospitality Research. Birmingham, Ala: Henry Stewart Publications, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Tourism and Hospitality Research. Henry Stewart Publications, 2007.
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