Hutchinson, T. (1993). Hotline: Elementary. Student"s Book. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoHutchinson, Tom. Hotline: Elementary. Student"s Book. Oxford: Oxford University Press, 1993.
MLA CitationHutchinson, Tom. Hotline: Elementary. Student"s Book. Oxford: Oxford University Press, 1993.
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