Helgesen, M., & Brown, S. (1995). Active listening: Introducing skills for understanding, student's book. Cambridge University.
Style de citation Chicago (17e éd.)Helgesen, Marc, et Steven Brown. Active Listening: Introducing Skills for Understanding, Student's Book. Nueva York: Cambridge University, 1995.
Style de citation MLA (9e éd.)Helgesen, Marc, et Steven Brown. Active Listening: Introducing Skills for Understanding, Student's Book. Cambridge University, 1995.
Attention : ces citations peuvent ne pas être correctes à 100%.