Cita APA (7th ed.)

Fujishin, R. (2018). The natural speaker (Ninth edition.). Routledge.

Cita Chicago (17th ed.)

Fujishin, Randy. The Natural Speaker. Ninth edition. New York, NY: Routledge, 2018.

Cita MLA (9th ed.)

Fujishin, Randy. The Natural Speaker. Ninth edition. Routledge, 2018.