Brown, S., & Smith, D. Active listening 1 (2nd ed.). New York : Cambridge University Press, 2007.
Cita Chicago (17th ed.)Brown, Steven, i Dorolyn Smith. Active Listening 1. 2nd ed. Cambridge, [England]: New York : Cambridge University Press, 2007.
Cita MLA (8th ed.)Brown, Steven, i Dorolyn Smith. Active Listening 1. 2nd ed. New York : Cambridge University Press, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.