1. American Educational Research Association, American Psychological Association, & National Council on Measurement in Education (1999). Standards for educational and psychological testing. Washington, DC: American Educational Research Association.
2. Best, R., Ozuru, Y., Floyd, R., & McNamara, D. S. (2006). Children’s text comprehension: Effects of genre, knowledge, and text cohesion. In S. A. Barab, K. E. Hay, & D. T. Hickey (Eds.), Proceedings of the Seventh International Conference of the Learning Sciences (pp. 37–42). Mahwah, NJ: Erlbaum.
3. Biber, D. (1988). Variation across speech and writing. Cambridge: Cambridge University Press.
4. Biber, D. (1989). A typology of English texts. Linguistics, 27, 3–43.
5. Biggs, A., Daniel, L., Feather, R. M., Ortleb, E., Rillero, P., Snyder, S. L., & Zike, D. (2003). Glencoe science: Science level green. New York: Glencoe/McGraw-Hill.