Brown, S., & Smith, D. (2007). Active listening: Self study audio CD Level 2 (2nd ed.). Cambridge [England] New York: Cambridge University Press.
シカゴスタイル引用形Brown, Steven, , Dorolyn Smith. Active Listening: Self Study Audio CD Level 2. 2nd ed. Cambridge [England] New York: Cambridge University Press, 2007.
MLA引用形式Brown, Steven, , Dorolyn Smith. Active Listening: Self Study Audio CD Level 2. 2nd ed. Cambridge [England] New York: Cambridge University Press, 2007.
警告: この引用は必ずしも正確ではありません.