1. These are samples of commonly used references: Should be arranged alphabetical;Aligica;Public Organization Review,2006
2. Blevins, W. (Ed.). (2006). Phonics from A to Z: A practical guide. New York: Scholastic.
3. Borg, W. R. (1963). Educational research: An introduction [In Spanish]. London: Longman.
4. Cohen, L., Manion, L., & Morrison, K. (2007). Research methods in education (5th ed.). New York: Routledge.
5. Connell, J. P., & Wellborn, J. G. (1991). Competence, autonomy, and relatedness: A motivational analysis of self-system processes. In M. Gunnar & L. A. Sroufe (Eds.), Minnesota symposium on child psychology (Vol. 23, pp. 43-77). Chicago: University of Chicago Press.