APA Style

LIGHTBOWN, Patsy M, SPADA, Nina. (1999). How Languages are Learned (second Edition). New York: Oxford University Press.

Chicago Style

LIGHTBOWN, Patsy M, SPADA, Nina. How Languages are Learned. second Edition New York: Oxford University Press, 1999. Bahasa Inggris.

MLA Style

LIGHTBOWN, Patsy M, SPADA, Nina. How Languages are Learned. second Edition New York: Oxford University Press, 1999. Bahasa Inggris.

Turabian Style

LIGHTBOWN, Patsy M, SPADA, Nina. How Languages are Learned. second Edition New York: Oxford University Press, 1999. Bahasa Inggris.