Swan, M. (1984). Practical English usage (9th impression.). Oxford New York: Oxford University Press.
Chicago Style CitationSwan, Michael. Practical English Usage. 9th impression. Oxford New York: Oxford University Press, 1984.
MLA CitationSwan, Michael. Practical English Usage. 9th impression. Oxford New York: Oxford University Press, 1984.
Warning: These citations may not always be 100% accurate.