Cita APA

Helgesen, M., & Brown, S. (1995). Active listening: Building skills for understanding : teachers edition. New York: Cambridge University Press.

Citación estilo Chicago

Helgesen, Marc., y Steven Brown. Active Listening: Building Skills for Understanding : Teachers Edition. New York: Cambridge University Press, 1995.

Cita MLA

Helgesen, Marc., y Steven Brown. Active Listening: Building Skills for Understanding : Teachers Edition. New York: Cambridge University Press, 1995.