Marc Helgesen. (1994). Active listening building: Building skills for understanding. Cambridge, UK: Cambridge university press.
Dyfyniad Arddull ChicagoMarc Helgesen. Active Listening Building: Building Skills for Understanding. Cambridge, UK: Cambridge university press, 1994.
Dyfyniad MLAMarc Helgesen. Active Listening Building: Building Skills for Understanding. Cambridge, UK: Cambridge university press, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.