Swan, M. (1987). The cambridge english course: Student's. Cambridge: Cambridge Univ. Press.
Trích dẫn kiểu ChicagoSwan, Michael. The Cambridge English Course: Student's. Cambridge: Cambridge Univ. Press, 1987.
MLA CitationSwan, Michael. The Cambridge English Course: Student's. Cambridge: Cambridge Univ. Press, 1987.
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