Swan, M. (1995). Practical English usage (2nd ed.). Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoSwan, Michael. Practical English Usage. 2nd ed. Oxford: Oxford University Press, 1995.
MLA引文Swan, Michael. Practical English Usage. 2nd ed. Oxford: Oxford University Press, 1995.
警告:这些引文格式不一定是100%准确.