Helgesen, M., & Brown, S. (1995). Active listening: Introducing skills for understanding : student's book 1. Cambridge: Cambridge University Press.
Trích dẫn kiểu ChicagoHelgesen, Marc, và Steven Brown. Active Listening: Introducing Skills for Understanding : Student's Book 1. Cambridge: Cambridge University Press, 1995.
MLA引文Helgesen, Marc, và Steven Brown. Active Listening: Introducing Skills for Understanding : Student's Book 1. Cambridge: Cambridge University Press, 1995.
警告:这些引文格式不一定是100%准确.