Chalker, S. (1998). The Oxford dictionary of English grammar. New York: Oxford University Press.
Trích dẫn kiểu ChicagoChalker, Sylvia. The Oxford Dictionary of English Grammar. New York: Oxford University Press, 1998.
Deismireacht MLAChalker, Sylvia. The Oxford Dictionary of English Grammar. New York: Oxford University Press, 1998.
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