APA ציטוט

Helgesen, M., & Brown, S. (1994). Active listening: Building skills for understanding : Level 2 [Băng Casset]. Cambridge: Cambridge University Press.

Trích dẫn kiểu Chicago

Helgesen, Marc, và Steven Brown. Active Listening: Building Skills for Understanding : Level 2 [Băng Casset]. Cambridge: Cambridge University Press, 1994.

ציטוט MLA

Helgesen, Marc, và Steven Brown. Active Listening: Building Skills for Understanding : Level 2 [Băng Casset]. Cambridge: Cambridge University Press, 1994.