Helgesen, M. (1999). Active listening introducing: Skills for understanding (Level 1). Cambridge, UK: Cambridge Univ. Press.
Style de citation ChicagoHelgesen, Marc. Active Listening Introducing: Skills for Understanding (Level 1). Cambridge, UK: Cambridge Univ. Press, 1999.
Style de citation MLAHelgesen, Marc. Active Listening Introducing: Skills for Understanding (Level 1). Cambridge, UK: Cambridge Univ. Press, 1999.
Attention : ces citations peuvent ne pas être correctes à 100%.