Helgesen, M., Brown, S., & Smith, D. (1997). Active listening: Expanding understanding through content. Cambridge, Reino Unido: Cambridge University Press.
Chicago Style CitationHelgesen, Marc, Steven Brown, and Dorolyn Smith. Active Listening: Expanding Understanding Through Content. Cambridge, Reino Unido: Cambridge University Press, 1997.
MLA CitationHelgesen, Marc, Steven Brown, and Dorolyn Smith. Active Listening: Expanding Understanding Through Content. Cambridge, Reino Unido: Cambridge University Press, 1997.
Warning: These citations may not always be 100% accurate.