Oelkers, D. B. (2007). Travel and tourism marketing. Mason, OH: Thomson/South-Western.
シカゴスタイル引用形Oelkers, Dotty Boen. Travel and Tourism Marketing. Mason, OH: Thomson/South-Western, 2007.
MLA引用形式Oelkers, Dotty Boen. Travel and Tourism Marketing. Mason, OH: Thomson/South-Western, 2007.
警告: この引用は必ずしも正確ではありません.