Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (8a ed.)

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