Soars, L., & Soars, J. (2000). New headway English course - Elementary: Student's book. Oxford: Oxford University Press.
シカゴスタイル引用形Soars, Liz, , John Soars. New Headway English Course - Elementary: Student's Book. Oxford: Oxford University Press, 2000.
MLA引用形式Soars, Liz, , John Soars. New Headway English Course - Elementary: Student's Book. Oxford: Oxford University Press, 2000.
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