(2004). Innovations: A course in natural English : Coursebook. London, UK: Thomson Heinle.
シカゴスタイル引用形Innovations: A Course in Natural English : Coursebook. London, UK: Thomson Heinle, 2004.
MLA引用形式Innovations: A Course in Natural English : Coursebook. London, UK: Thomson Heinle, 2004.
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