Bates, E., Dale, P. S., & Thal, D. (1995). Individual differences and their implications for theories of language development. In P. Fletcher & B. MacWhinney (Eds.), Handbook of Child Language (pp. 96-151). Oxford: Basil Blackwell.
Bavin, E. L. (Ed.), (2009). The Cambridge Handbook of Child Language. Cambridge University Press.
Fenson, L., Marchman, V. A., Thal, D. J., Dale, P. S., Reznick, J. S., & Bates, E., (2007). MacArthur-Bates Communicative Development Inventories (2nd ed.). Baltimore: Paul H. Brookes.
Flipsen, P., Jr. (2006). Measuring the intelligibility of conversational speech in children. Clinical Linguistics and Phonetics, 20(4), 202-312.
Owens, R. E. (2005). Language Development: An introduction (6th ed.). Boston: Pearson Education Inc.
Reilly, S., Eadie, P., Bavin, E. L., Wake, M., Prior, M., Williams, J., Bretherton, L., Barrett, Y., & Ukoumunne, O. C. (2006). Growth of infant communication between 8 and 12 months: A population study. Journal of Paediatrics and Child Health, 42, 764-770.
Roth, R. P., Speece, D. L., & Cooper, D. H. (2002). A longitudinal analysis of the connection between oral language and early reading. Journal of Educational Research, 95(5), 259-272.