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