APA aipamena

Lightbown, P. M. (2013). How languages are learned. Oxford: Oxford University Press.

Chicago Style aipamena

Lightbown, Patsy M. How Languages Are Learned. Oxford: Oxford University Press, 2013.

MLA aipamena

Lightbown, Patsy M. How Languages Are Learned. Oxford: Oxford University Press, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.