Open University Course Team. (1975). Approaches and methods. Units 1-3 by John Annett. Open University Press.
シカゴスタイル引用形Open University Course Team. Approaches and Methods. Units 1-3 by John Annett. Open University Press, 1975.
MLA引用形式Open University Course Team. Approaches and Methods. Units 1-3 by John Annett. Open University Press, 1975.
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