O'Driscoll, N., & Pibeam, A. (2004). Big City: Student's book: Level 3. Oxford: Oxford Univ. Press.
シカゴスタイル引用形O'Driscoll, Nina, , Adrian Pibeam. Big City: Student's Book: Level 3. Oxford: Oxford Univ. Press, 2004.
MLA引用形式O'Driscoll, Nina, , Adrian Pibeam. Big City: Student's Book: Level 3. Oxford: Oxford Univ. Press, 2004.
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