Cita APA

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

Citación estilo Chicago

Helgesen, Marc, y Steven Brown. Active Listening: Introducing Skills for Understanding : Teacher's Edition. Cambridge: Cambridge University Press, 1995.

Cita MLA

Helgesen, Marc, y Steven Brown. Active Listening: Introducing Skills for Understanding : Teacher's Edition. Cambridge: Cambridge University Press, 1995.