ebrary, Inc, Hannahs, S. J., & Young-Scholten, M. (1997). Focus on phonological acquisition. J. Benjamins Pub..
Lua i Stíl Chicago (17ú heag.)ebrary, Inc, S. J. Hannahs, agus Martha Young-Scholten. Focus on Phonological Acquisition. Amsterdam ; Philadelphia: J. Benjamins Pub., 1997.
Lua MLA (9ú heag.)ebrary, Inc, et al. Focus on Phonological Acquisition. J. Benjamins Pub., 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.