Puchta, H., Stranks, J., & Jones, P. L. (2018). Think B1+: Workbook 3. New York: Cambridge University Press.
シカゴスタイル引用形Puchta, Herbert, Jeff Stranks, , Peter Lewis Jones. Think B1+: Workbook 3. New York: Cambridge University Press, 2018.
MLA引用形式Puchta, Herbert, Jeff Stranks, , Peter Lewis Jones. Think B1+: Workbook 3. New York: Cambridge University Press, 2018.
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