Cita APA

Lightbown, P. M., & Patsy M. Lightbown; Nina Spada. (2000). How languages are learned. Oxford: Oxford University Press.

Citación estilo Chicago

Lightbown, Patsy M., y Patsy M. Lightbown; Nina Spada. How Languages Are Learned. Oxford: Oxford University Press, 2000.

Cita MLA

Lightbown, Patsy M., y Patsy M. Lightbown; Nina Spada. How Languages Are Learned. Oxford: Oxford University Press, 2000.