Allan, D. (1992). Oxford placement test: Grammar test. [Oxford. UK]: Oxford University Press.
Trích dẫn kiểu ChicagoAllan, Dave. Oxford Placement Test: Grammar Test. [Oxford. UK]: Oxford University Press, 1992.
MLA引文Allan, Dave. Oxford Placement Test: Grammar Test. [Oxford. UK]: Oxford University Press, 1992.
警告:這些引文格式不一定是100%准確.