Cita APA

Helgesen, M., Brown, S. 1., & Smith, D. (1996). Active listening 3: Expanding understanding through content. Cambridge University Press.

Citación estilo Chicago

Helgesen, Marc, Steven 1952- Brown, y Dorolyn Smith. Active Listening 3: Expanding Understanding Through Content. Cambridge University Press, 1996.

Cita MLA

Helgesen, Marc, Steven 1952- Brown, y Dorolyn Smith. Active Listening 3: Expanding Understanding Through Content. Cambridge University Press, 1996.