1. Adams, M.J. (1990). Beginning to read: Thinking and learning about print. Cambridge, MA: MIT Press.
2. Berninger, V.W. (2007). Process Assessment of the Learner: Diagnostics for Reading and Writing-Second Edition. San Antonio, TX: Pearson
3. Bradley, L., & Bryant, P.E. (1983). Categorizing sounds and learning to read—a causal connection. Nature, 301, 419–421.
4. Common core state standards for English language arts. Reading standards: Foundational skills, phonological awareness. Retrieved Jan. 2010 from http://www.scoe.net/castandards/agenda/2010/ela_ccs_recommendations.pdf
5. Cassady, J.C., Smith, L.L., & Putman, S.M. (2008). Phonological awareness development as a discrete process: Evidence for an integrative model. Reading Psychology, 29, 508–533.