Helgesen, M., & Brown, S. (1994). Active listening: Building skills for understanding : Level 2 [Băng Casset]. Cambridge: Cambridge University Press.
Style de citation ChicagoHelgesen, Marc, et Steven Brown. Active Listening: Building Skills for Understanding : Level 2 [Băng Casset]. Cambridge: Cambridge University Press, 1994.
Style de citation MLAHelgesen, Marc, et Steven Brown. Active Listening: Building Skills for Understanding : Level 2 [Băng Casset]. Cambridge: Cambridge University Press, 1994.
Attention : ces citations peuvent ne pas être correctes à 100%.