Cita APA

Marc Helgesen. (1994). Active listening building: Building skills for understanding. Cambridge, UK: Cambridge university press.

Citación estilo Chicago

Marc Helgesen. Active Listening Building: Building Skills for Understanding. Cambridge, UK: Cambridge university press, 1994.

Cita MLA

Marc Helgesen. Active Listening Building: Building Skills for Understanding. Cambridge, UK: Cambridge university press, 1994.