Brown, S., & Smith, D. (2007). Active listening 1 (2nd ed.). Cambridge (New York): Cambridge University Press.
Chicago Style aipamenaBrown, Steven, và Dorolyn Smith. Active Listening 1. 2nd ed. Cambridge (New York): Cambridge University Press, 2007.
MLA aipamenaBrown, Steven, và Dorolyn Smith. Active Listening 1. 2nd ed. Cambridge (New York): Cambridge University Press, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.