Flamm, J., Leland Northan, W., & Yorkey, R. C. (1991). The English advantage. New York: Newbury House.
Trích dẫn kiểu ChicagoFlamm, Jacqueline., W. Leland Northan, và Richard C. Yorkey. The English Advantage. New York: Newbury House, 1991.
MLA CitationFlamm, Jacqueline., W. Leland Northan, và Richard C. Yorkey. The English Advantage. New York: Newbury House, 1991.
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