Helgesen. (1996). Active listening expanding: Understanding through content- Level 3. Cambridge: Cambridge University Press.
Stile di citazione ChicagoHelgesen. Active Listening Expanding: Understanding Through Content- Level 3. Cambridge: Cambridge University Press, 1996.
Citazione MLAHelgesen. Active Listening Expanding: Understanding Through Content- Level 3. Cambridge: Cambridge University Press, 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.