Oelkers, D. B. (2007). Travel and tourism marketing. Mason, OH: Thomson/South-Western.
استشهاد بنمط شيكاغوOelkers, Dotty Boen. Travel and Tourism Marketing. Mason, OH: Thomson/South-Western, 2007.
MLA استشهادOelkers, Dotty Boen. Travel and Tourism Marketing. Mason, OH: Thomson/South-Western, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.