Collinson, D. (1992). Plain English (2nd ed.). Buckingham: Open University Press.
Trích dẫn kiểu ChicagoCollinson, Diane. Plain English. 2nd ed. Buckingham: Open University Press, 1992.
MLA CitationCollinson, Diane. Plain English. 2nd ed. Buckingham: Open University Press, 1992.
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