Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

Helgesen, Marc, e Steven Brown. Active Listening: Introducing Skills for Understanding, Student's Book. Nueva York: Cambridge University, 1995.

Citatione MLA (9a ed.)

Helgesen, Marc, e Steven Brown. Active Listening: Introducing Skills for Understanding, Student's Book. Cambridge University, 1995.