Helgesen, M., & Brown, S. (1994). Active listening: Building skills for understanding (Teacher's ed.). Cambridge [England] ; New York, NY: Cambridge University Press.
Trích dẫn kiểu ChicagoHelgesen, Marc., và Steven Brown. Active Listening: Building Skills for Understanding. Teacher's ed. Cambridge [England] ; New York, NY: Cambridge University Press, 1994.
Deismireacht MLAHelgesen, Marc., và Steven Brown. Active Listening: Building Skills for Understanding. Teacher's ed. Cambridge [England] ; New York, NY: Cambridge University Press, 1994.
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