APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.