APA (7th ed.) Zitazioa

Ellis, R. (1985). Understanding second language acquisition. Oxford University Press.

Chicago Style (17th ed.) Zitazioa

Ellis, Rod. Understanding Second Language Acquisition. Oxford: Oxford University Press, 1985.

MLA (9th ed.) Zitazioa

Ellis, Rod. Understanding Second Language Acquisition. Oxford University Press, 1985.