Liz, & Soars, J. (2010). American headway: Workbook 5. New York: Oxford University Press.
シカゴスタイル引用形Liz, , John Soars. American Headway: Workbook 5. New York: Oxford University Press, 2010.
MLA引用形式Liz, , John Soars. American Headway: Workbook 5. New York: Oxford University Press, 2010.
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