Cita APA

Harding, K., & Appleby, R. (2014). International express: Student's book pre-intermediate (Third edition.). Reino Unido: Oxford University Press.

Citación estilo Chicago

Harding, Keith, y Rachel Appleby. International Express: Student's Book Pre-intermediate. Third edition. Reino Unido: Oxford University Press, 2014.

Cita MLA

Harding, Keith, y Rachel Appleby. International Express: Student's Book Pre-intermediate. Third edition. Reino Unido: Oxford University Press, 2014.