Block, C. C., & Pressley, M. (2002). Comprehension instruction: Research-based best practices. New York: Guilford Press.
Bloom, L., & Lahey, M. (1978). Language Development and Language Disorders. New York: Wiley.
Browne, A. (2001). Developing Language and Literacy 3–8. Second edition. SAGE Publications Company.
Canale, M., & Swain, M. (1980). Theoretical bases of communicative approaches to second language teaching and testing. Applied Linguistics, 1 (1), 1-47.
Crystal, D. (1987(. The Cambridge encyclopedia of language. England: Cambridge University.
Halliday, M. A. K. (2014). Halliday’s Introduction to Functional Grammar. Revised by Christian M. I. M. Matthiessen. Routledge pub.
Halliday, M. A. K. (2016). Aspects of Language and Learning. Springer Heidelberg New York Dordrecht London.
Hymes, D. H. (1972). On Communicative Competence. In: J. B. Pride and J. Holmes (Eds.), Sociolinguistics. Selected Readings. (pp. 269-293). Harmondsworth: Penguin.
Lahey, M. (1988). Language Disorders and Language Development. London: Collier Macmillan.
Machado, M. J. (2010). Early Childhood Experiences in Language Arts: Early Literacy (9th ed.). Wadsworth, Cengage Learning.
Machado, M. J. (2012). 10 Ed. Early Childhood Experiences in Language Arts: Early Literacy (10th ed.). Wadsworth, Cengage Learning.
Sowers, L. (2000). Language arts in early education. Delmar pub.
The Washington State Early Learning and Development Guidelines: Birth through 3rd Grade. (2012). A revision of the Early Learning and Development Benchmarks. (2005). published in The Department of Early Learning (DEL), Office of Superintendent of Public Instruction (OSPI(.