Cita APA

Helgesen, M., & Brown, S. 1. (1995). Active listening 1: Introducing skills for understanding. Cambridge University Press.

Citación estilo Chicago

Helgesen, Marc, y Steven 1952- Brown. Active Listening 1: Introducing Skills for Understanding. Cambridge University Press, 1995.

Cita MLA

Helgesen, Marc, y Steven 1952- Brown. Active Listening 1: Introducing Skills for Understanding. Cambridge University Press, 1995.