Citazione Stile APA (7a Edizione)

Romero, D. B. (2004). The business of listening: A practical guide to effective listening (3rd ed.). Crisp Learning, Viva Books.

Citazione stile Chigago Style (17a edizione)

Romero, Diana Bonet. The Business of Listening: A Practical Guide to Effective Listening. 3rd ed. Menlo Park, Calif. : New Delhi: Crisp Learning, Viva Books, 2004.

Citatione MLA (8a ed.)

Romero, Diana Bonet. The Business of Listening: A Practical Guide to Effective Listening. 3rd ed. Crisp Learning, Viva Books, 2004.