Citazione APA

Helgesen, M., & Brown, S. (1994). Active listening: Building skills for understanding : teacher's edition 2. Cambridge: Cambridge University Press.

Stile di citazione Chicago

Helgesen, Marc, e Steven Brown. Active Listening: Building Skills for Understanding : Teacher's Edition 2. Cambridge: Cambridge University Press, 1994.

Citazione MLA

Helgesen, Marc, e Steven Brown. Active Listening: Building Skills for Understanding : Teacher's Edition 2. Cambridge: Cambridge University Press, 1994.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.