Blackwell, A. (2007). Open forum: Academic listening and speaking. New York, NY: Oxford University Press.
シカゴスタイル引用形Blackwell, Angela. Open Forum: Academic Listening and Speaking. New York, NY: Oxford University Press, 2007.
MLA引用形式Blackwell, Angela. Open Forum: Academic Listening and Speaking. New York, NY: Oxford University Press, 2007.
警告: この引用は必ずしも正確ではありません.