APA aipamena

Helgesen, M., Brown, S., & Smith, D. Active listening. expanding. Understanding through content (3a ed.).

Chicago Style aipamena

Helgesen, Marc, Steven Brown, and Dorolyn Smith. Active Listening. Expanding. Understanding Through Content. 3a ed.

MLA aipamena

Helgesen, Marc, et al. Active Listening. Expanding. Understanding Through Content. 3a ed.