APA ציטוט

Lightbown, P. M. (1999). How languages are learned. Oxford: Oxford Univ. Press.

Trích dẫn kiểu Chicago

Lightbown, Patsy M. How Languages Are Learned. Oxford: Oxford Univ. Press, 1999.

ציטוט MLA

Lightbown, Patsy M. How Languages Are Learned. Oxford: Oxford Univ. Press, 1999.