Cita APA (7a ed.)

Bell, J., & Gower, R. (2019). Advanced Expert Coursebook (Third edition Fifth impression 2019.). Pearson Education Limited.

Cita Chicago Style (17a ed.)

Bell, Jan, y Roger Gower. Advanced Expert Coursebook. Third edition Fifth impression 2019. Harlow, Essex, England: Pearson Education Limited, 2019.

Cita MLA (9a ed.)

Bell, Jan, y Roger Gower. Advanced Expert Coursebook. Third edition Fifth impression 2019. Pearson Education Limited, 2019.