Dyfyniad APA

Richey, R. (2007). English for customer care. Oxford (New York): Oxford University Press.

Dyfyniad Arddull Chicago

Richey, Rosemary. English for Customer Care. Oxford (New York): Oxford University Press, 2007.

Dyfyniad MLA

Richey, Rosemary. English for Customer Care. Oxford (New York): Oxford University Press, 2007.

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