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引文Oelkers, Dotty Boen. Travel and Tourism Marketing. Mason, OH: Thomson/South-Western, 2007.
警告:這些引文格式不一定是100%准確.