Style de citation APA (7e éd.)
Helgesen, M. (1994). Active Listening: Building . Skills for understanding .Teacher's Edition 2 (1a. ed.). Cambridge University Press.
Style de citation Chicago (17e éd.)
Helgesen, Marc. Active Listening: Building . Skills for Understanding .Teacher's Edition 2. 1a. ed. Estados Unidos: Cambridge University Press, 1994.
Style de citation MLA (9e éd.)
Helgesen, Marc. Active Listening: Building . Skills for Understanding .Teacher's Edition 2. 1a. ed. Cambridge University Press, 1994.
Attention : ces citations peuvent ne pas être correctes à 100%.