Παραπομπή APA

Mercer, N., Swann, J., & Mayor, B. M. (2007). Learning English. Routledge in association with the Open University.

Παραπομπή Chicago Style

Mercer, Neil, Joan Swann, και Barbara M. Mayor. Learning English. Abingdon, UK New York: Routledge in association with the Open University, 2007.

Παραπομπή MLA

Mercer, Neil, et al. Learning English. Routledge in association with the Open University, 2007.