Soars, J., & Soars, L. (1993). Headway: Intermediate Student"s Book&Pre-Intermediate Workbook. Oxford: Oxford University Press.
シカゴスタイル引用形Soars, John, , Liz Soars. Headway: Intermediate Student"s Book&Pre-Intermediate Workbook. Oxford: Oxford University Press, 1993.
MLA引用形式Soars, John, , Liz Soars. Headway: Intermediate Student"s Book&Pre-Intermediate Workbook. Oxford: Oxford University Press, 1993.
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