Cita APA (7th ed.)

Hallows, R., & Edwards, L. (2007). Teacher's book innovations: A course in natural english. Thomson.

Cita Chicago (17th ed.)

Hallows, Richard, i Lynda Edwards. Teacher's Book Innovations: A Course in Natural English. London: Thomson, 2007.

Cita MLA (9th ed.)

Hallows, Richard, i Lynda Edwards. Teacher's Book Innovations: A Course in Natural English. Thomson, 2007.