Soars, L., Soars, J., & Wheeldon, S. (2005). New headway: Upper - Intermediate : Workbook with key. Oxford: Oxford Univ. Press.
シカゴスタイル引用形Soars, Liz, John Soars, , Sylvia Wheeldon. New Headway: Upper - Intermediate : Workbook With Key. Oxford: Oxford Univ. Press, 2005.
MLA引用形式Soars, Liz, John Soars, , Sylvia Wheeldon. New Headway: Upper - Intermediate : Workbook With Key. Oxford: Oxford Univ. Press, 2005.
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