Helgesen, M., & Brown, S. (1995). Active listening: Building skills for understanding : teachers edition. New York: Cambridge University Press.
Citação norma ChicagoHelgesen, Marc., e Steven Brown. Active Listening: Building Skills for Understanding : Teachers Edition. New York: Cambridge University Press, 1995.
Citação norma MLAHelgesen, Marc., e Steven Brown. Active Listening: Building Skills for Understanding : Teachers Edition. New York: Cambridge University Press, 1995.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.