Helgesen, M. (1999). Active listening: Expanding understanding through content. New York: Cambridge University.
シカゴスタイル引用形Helgesen, Marc. Active Listening: Expanding Understanding Through Content. New York: Cambridge University, 1999.
MLA引用形式Helgesen, Marc. Active Listening: Expanding Understanding Through Content. New York: Cambridge University, 1999.
警告: この引用は必ずしも正確ではありません.