Helgesen, M., & Brown, S. (1994). Active listening: Building skills for understanding : teacher's edition 2. Cambridge: Cambridge University Press.
シカゴスタイル引用形Helgesen, Marc, , Steven Brown. Active Listening: Building Skills for Understanding : Teacher's Edition 2. Cambridge: Cambridge University Press, 1994.
MLA引用形式Helgesen, Marc, , Steven Brown. Active Listening: Building Skills for Understanding : Teacher's Edition 2. Cambridge: Cambridge University Press, 1994.
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