Helgesen, M., & Brown, S. (1995). Active listening: Introducing skills for understanding : Level 1 [Băng Casset]. Cambridge: Cambridge University Press.
シカゴスタイル引用形Helgesen, Marc, , Steven Brown. Active Listening: Introducing Skills for Understanding : Level 1 [Băng Casset]. Cambridge: Cambridge University Press, 1995.
MLA引用形式Helgesen, Marc, , Steven Brown. Active Listening: Introducing Skills for Understanding : Level 1 [Băng Casset]. Cambridge: Cambridge University Press, 1995.
警告: この引用は必ずしも正確ではありません.