Soars, J., & Soars, L. (2003). American Headway: Student book 3. New York: Oxford University Press.
シカゴスタイル引用形Soars, John, , Liz Soars. American Headway: Student Book 3. New York: Oxford University Press, 2003.
MLA引用形式Soars, John, , Liz Soars. American Headway: Student Book 3. New York: Oxford University Press, 2003.
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