Soars, L., & Soars, J. (2003). American headway: Student book. Oxford: Oxford Univ. Press.
シカゴスタイル引用形Soars, Liz, , John Soars. American Headway: Student Book. Oxford: Oxford Univ. Press, 2003.
MLA引用形式Soars, Liz, , John Soars. American Headway: Student Book. Oxford: Oxford Univ. Press, 2003.
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