Tabor, C. (2006). Natural english: Elementary workbook. Oxford: Oxford Univ. Press.
シカゴスタイル引用形Tabor, Carol. Natural English: Elementary Workbook. Oxford: Oxford Univ. Press, 2006.
MLA引用形式Tabor, Carol. Natural English: Elementary Workbook. Oxford: Oxford Univ. Press, 2006.
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