Haines, S., & Stewart, B. (2000). Landmark: Upper Intermediate workbook. Oxford: Oxford University Press.
シカゴスタイル引用形Haines, Simon., , Barbara Stewart. Landmark: Upper Intermediate Workbook. Oxford: Oxford University Press, 2000.
MLA引用形式Haines, Simon., , Barbara Stewart. Landmark: Upper Intermediate Workbook. Oxford: Oxford University Press, 2000.
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