Helgesen, M., & Brown, S. (1994). Active listening: Building skills for understanding (Teacher's ed.). Cambridge [England] ; New York, NY: Cambridge University Press.
Chicago Style aipamenaHelgesen, Marc., và Steven Brown. Active Listening: Building Skills for Understanding. Teacher's ed. Cambridge [England] ; New York, NY: Cambridge University Press, 1994.
MLA aipamenaHelgesen, Marc., và Steven Brown. Active Listening: Building Skills for Understanding. Teacher's ed. Cambridge [England] ; New York, NY: Cambridge University Press, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.