Helgesen, M., Brown, S., & Smith, D. (1996). Active listening: Expanding understanding through content : student's book 3. Cambridge: Cambridge University Press.
Dyfyniad Arddull ChicagoHelgesen, Marc, Steven Brown, và Dorolyn Smith. Active Listening: Expanding Understanding Through Content : Student's Book 3. Cambridge: Cambridge University Press, 1996.
Dyfyniad MLAHelgesen, Marc, Steven Brown, và Dorolyn Smith. Active Listening: Expanding Understanding Through Content : Student's Book 3. Cambridge: Cambridge University Press, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.