APA Citation

Lightbown, P. M. (1999). How languages are learned. Institut d`etudes Theologiques.

Chicago Style Citation

Lightbown, Patsy M. How Languages Are Learned. Institut d`etudes Theologiques, 1999.

MLA Citation

Lightbown, Patsy M. How Languages Are Learned. Institut d`etudes Theologiques, 1999.

Warning: These citations may not always be 100% accurate.