Oelkers, D. B. (2007). Travel and tourism marketing. Mason, OH: Thomson/South-Western.
Čikaški stil citiranjaOelkers, Dotty Boen. Travel and Tourism Marketing. Mason, OH: Thomson/South-Western, 2007.
MLA način citiranjaOelkers, Dotty Boen. Travel and Tourism Marketing. Mason, OH: Thomson/South-Western, 2007.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.