APA-Zitierstil (7. Ausg.)

Lightbown, P. M., & Spada, N. (1999). How languages are learned (2a. ed.). Oxford University.

Chicago-Zitierstil (17. Ausg.)

Lightbown, Patsy M., und Nina Spada. How Languages Are Learned. 2a. ed. Oxford: Oxford University, 1999.

MLA-Zitierstil (9. Ausg.)

Lightbown, Patsy M., und Nina Spada. How Languages Are Learned. 2a. ed. Oxford University, 1999.