Cita APA (7a ed.)

Mercer, N., Swann, J., & Mayor, B. M. (2007). Learning English. Routledge ; The Open University.

Cita Chicago Style (17a ed.)

Mercer, Neil, Joan Swann, y Barbara M. Mayor. Learning English. Abingdon : New York: Routledge ; The Open University, 2007.

Cita MLA (9a ed.)

Mercer, Neil, et al. Learning English. Routledge ; The Open University, 2007.