Oxenden, C. (1998). English file: Student's book. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoOxenden, Clive. English File: Student's Book. Oxford: Oxford University Press, 1998.
MLA引文Oxenden, Clive. English File: Student's Book. Oxford: Oxford University Press, 1998.
警告：這些引文格式不一定是100％准確.