Marc Helgesen. (1995). Active listening introducing - Teacher's edition: Introducing skills and understanding. Cambridge, UK: Cambridge university press.
シカゴスタイル引用形Marc Helgesen. Active Listening Introducing - Teacher's Edition: Introducing Skills and Understanding. Cambridge, UK: Cambridge university press, 1995.
MLA引用形式Marc Helgesen. Active Listening Introducing - Teacher's Edition: Introducing Skills and Understanding. Cambridge, UK: Cambridge university press, 1995.
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