Helgesen, M., Brown, S., & Smith, D. (1996). Active listening: Expanding understanding through content : student's book 3. Cambridge: Cambridge University Press.
Chicago ZitierstilHelgesen, Marc, Steven Brown, und Dorolyn Smith. Active Listening: Expanding Understanding Through Content : Student's Book 3. Cambridge: Cambridge University Press, 1996.
MLA ZitierstilHelgesen, Marc, Steven Brown, und Dorolyn Smith. Active Listening: Expanding Understanding Through Content : Student's Book 3. Cambridge: Cambridge University Press, 1996.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.