Brown, S., & Smith, D. Active listening 3 (2nd ed.). New York : Cambridge University Press, 2007.
Lua i Stíl Chicago (17ú heag.)Brown, Steven, agus Dorolyn Smith. Active Listening 3. 2nd ed. Cambridge, [England]: New York : Cambridge University Press, 2007.
Lua MLA (8ú heag.)Brown, Steven, agus Dorolyn Smith. Active Listening 3. 2nd ed. New York : Cambridge University Press, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.