Marc Helgesen. (1994). Active listening building: Skills for understanding (teacher's edition 2). Cambridge, UK: Cambridge Univ. press.
Stile di citazione ChicagoMarc Helgesen. Active Listening Building: Skills for Understanding (teacher's Edition 2). Cambridge, UK: Cambridge Univ. press, 1994.
Citazione MLAMarc Helgesen. Active Listening Building: Skills for Understanding (teacher's Edition 2). Cambridge, UK: Cambridge Univ. press, 1994.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.