Irvine, M. (1999). Commercially speaking. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoIrvine, Mark. Commercially Speaking. Oxford: Oxford University Press, 1999.
MLA引文Irvine, Mark. Commercially Speaking. Oxford: Oxford University Press, 1999.
警告：这些引文格式不一定是100％准确.