Richey, R. (2007). English for customer care. Oxford (New York): Oxford University Press.
Trích dẫn kiểu ChicagoRichey, Rosemary. English for Customer Care. Oxford (New York): Oxford University Press, 2007.
MLA引文Richey, Rosemary. English for Customer Care. Oxford (New York): Oxford University Press, 2007.
警告:這些引文格式不一定是100%准確.