Oxenden, C. (2004). New english file: Elementary. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoOxenden, Clive. New English File: Elementary. Oxford: Oxford University Press, 2004.
MLA引文Oxenden, Clive. New English File: Elementary. Oxford: Oxford University Press, 2004.
警告：这些引文格式不一定是100％准确.