Harrison, M. (1994). CAE practice tests. Oxford: Oxford Univeristy Press.
Trích dẫn kiểu ChicagoHarrison, Mark. CAE Practice Tests. Oxford: Oxford Univeristy Press, 1994.
MLA引文Harrison, Mark. CAE Practice Tests. Oxford: Oxford Univeristy Press, 1994.
警告：這些引文格式不一定是100％准確.