O'Dell, F. (2002). Objective CAE. Cambridge: Cambridge University Press.
Trích dẫn kiểu ChicagoO'Dell, Fecility. Objective CAE. Cambridge: Cambridge University Press, 2002.
MLA引文O'Dell, Fecility. Objective CAE. Cambridge: Cambridge University Press, 2002.
警告：这些引文格式不一定是100％准确.