Dyfyniad APA

Oelkers, D. B. (2007). Travel and tourism marketing. Mason, OH: Thomson/South-Western.

Dyfyniad Arddull Chicago

Oelkers, Dotty Boen. Travel and Tourism Marketing. Mason, OH: Thomson/South-Western, 2007.

Dyfyniad MLA

Oelkers, Dotty Boen. Travel and Tourism Marketing. Mason, OH: Thomson/South-Western, 2007.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.