Παραπομπή σε μορφή APA (7η εκδ.)

Wells, G. (1985). Language development in the pre-school years. Cambridge University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Wells, Gordon. Language Development in the Pre-school Years. Cambridge: Cambridge University Press, 1985.

Παραπομπή σε μορφή MLA (9th εκδ.)

Wells, Gordon. Language Development in the Pre-school Years. Cambridge University Press, 1985.