Cita APA (7th ed.)

Mercer, N., Swann, J., & Mayor, B. (2007). Learning English. Routledge.

Cita Chicago (17th ed.)

Mercer, Neil, Joan Swann, i Barbara Mayor. Learning English. Abingdon: Routledge, 2007.

Cita MLA (9th ed.)

Mercer, Neil, et al. Learning English. Routledge, 2007.