Oelkers, D. B. (2007). Travel and tourism marketing. Mason, OH: Thomson/South-Western.
Trích dẫn kiểu ChicagoOelkers, Dotty Boen. Travel and Tourism Marketing. Mason, OH: Thomson/South-Western, 2007.
MLA citiranjeOelkers, Dotty Boen. Travel and Tourism Marketing. Mason, OH: Thomson/South-Western, 2007.
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