Cita APA (7a ed.)

Open University, Maybin, J., Mercer, N., & Hewings, A. (2007). Using English. Open University ; Routledge.

Cita Chicago Style (17a ed.)

Open University, Janet Maybin, Neil Mercer, y Ann Hewings. Using English. Milton Keynes : Abingdon: Open University ; Routledge, 2007.

Cita MLA (9a ed.)

Open University, et al. Using English. Open University ; Routledge, 2007.