Helgesen, M. (1999). Active listening: Expanding understanding through content. New York: Cambridge University.
Chicago Style citaatHelgesen, Marc. Active Listening: Expanding Understanding Through Content. New York: Cambridge University, 1999.
MLA citatieHelgesen, Marc. Active Listening: Expanding Understanding Through Content. New York: Cambridge University, 1999.
Let op: Deze citaties zijn niet altijd 100% accuraat.