Cita APA (7a ed.)

Flinders, S. (2003). Test your professional english: Business: Intermediate. Penguin English.

Cita Chicago Style (17a ed.)

Flinders, Steve. Test Your Professional English: Business: Intermediate. Essex: Penguin English, 2003.

Cita MLA (9a ed.)

Flinders, Steve. Test Your Professional English: Business: Intermediate. Penguin English, 2003.