APA (7th ed.) Zitazioa
ebrary, Inc, Hannahs, S. J., & Young-Scholten, M. (1997). Focus on phonological acquisition. J. Benjamins Pub..
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, S. J. Hannahs, eta Martha Young-Scholten. Focus on Phonological Acquisition. Amsterdam ; Philadelphia: J. Benjamins Pub., 1997.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Focus on Phonological Acquisition. J. Benjamins Pub., 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.