Cita APA (7a ed.)

Romero, D. B. (2009). The business of listening: Become a more effective listener (4th ed.). Axzo Press.

Cita Chicago Style (17a ed.)

Romero, Diana Bonet. The Business of Listening: Become a More Effective Listener. 4th ed. [Rochester, N.Y.]: Axzo Press, 2009.

Cita MLA (8a ed.)

Romero, Diana Bonet. The Business of Listening: Become a More Effective Listener. 4th ed. Axzo Press, 2009.