Helgesen, M., & Brown, S. (1995). Active listening: Introducing skills for understanding, student's book. Cambridge University.
Chicago-čujuhus (17. p.)Helgesen, Marc, juo Steven Brown. Active Listening: Introducing Skills for Understanding, Student's Book. Nueva York: Cambridge University, 1995.
MLA-čujuhus (9. p.)Helgesen, Marc, juo Steven Brown. Active Listening: Introducing Skills for Understanding, Student's Book. Cambridge University, 1995.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.