APA aipamena

Helgesen, M., & Brown, S. (1994). Active Listening: Building Skills for Understanding. Cambridge: Cambridge University.

Chicago Style aipamena

Helgesen, Marc, và Steve Brown. Active Listening: Building Skills for Understanding. Cambridge: Cambridge University, 1994.

MLA aipamena

Helgesen, Marc, và Steve Brown. Active Listening: Building Skills for Understanding. Cambridge: Cambridge University, 1994.