Cita APA (7a ed.)

Ellis, R., & Barkhuizen, G. P. (2005). Analysing learner language. Oxford University Press.

Cita Chicago Style (17a ed.)

Ellis, Rod, y Gary Patrick Barkhuizen. Analysing Learner Language. Oxford ; New York: Oxford University Press, 2005.

Cita MLA (8a ed.)

Ellis, Rod, y Gary Patrick Barkhuizen. Analysing Learner Language. Oxford University Press, 2005.