Scott, L., & Scott, D. (2003). Natural english: Upper - intermediate workbook. Oxford: Oxford Univ. Press.
シカゴスタイル引用形Scott, Lyn, , David Scott. Natural English: Upper - Intermediate Workbook. Oxford: Oxford Univ. Press, 2003.
MLA引用形式Scott, Lyn, , David Scott. Natural English: Upper - Intermediate Workbook. Oxford: Oxford Univ. Press, 2003.
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