Latham-Koenig, C. (2012). English file. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoLatham-Koenig, Christina. English File. Oxford: Oxford University Press, 2012.
MLA引文Latham-Koenig, Christina. English File. Oxford: Oxford University Press, 2012.
警告：這些引文格式不一定是100％准確.