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