APA-viite (7. p.)

Lightbown, P. M., & Spada, N. (2012). How languages are learned (4a. ed.). Oxford University Press.

Chicago-viite (17. p.)

Lightbown, Patsy M., ja Nina Spada. How Languages Are Learned. 4a. ed. Oxford: Oxford University Press, 2012.

MLA-viite (9. p.)

Lightbown, Patsy M., ja Nina Spada. How Languages Are Learned. 4a. ed. Oxford University Press, 2012.