Cita APA (7th ed.)

ebrary, Inc, Hannahs, S. J., & Young-Scholten, M. (1997). Focus on phonological acquisition. J. Benjamins Pub..

Cita Chicago (17th ed.)

ebrary, Inc, S. J. Hannahs, i Martha Young-Scholten. Focus on Phonological Acquisition. Amsterdam ; Philadelphia: J. Benjamins Pub., 1997.

Cita MLA (9th ed.)

ebrary, Inc, et al. Focus on Phonological Acquisition. J. Benjamins Pub., 1997.