1. Bailey, F., Burkett, B., & Freeman, D. (2007). Mediating the role of language in teaching and learning: A classroom perspective. In B. Spolsky & F. Hult (Eds.), The handbook of educational linguistics (pp. 606–623). Malden, MA: Blackwell.
2. Ball, P., Kelly, K., & Clegg, J. (2015). Putting CLIL into practice. Oxford: Oxford University Press.
3. Bigelow, M. (2010). Learning to plan for a focus on form in CBI: The role of teacher knowledge and teaching context. In J. F. Davis (Ed.), World language teacher education: Transitions and challenges in the twenty-first century (pp. 35–56). Charlotte, NC: Information Age Publishing.
4. Bigelow, M., Ranney, S., & Dahlman, A. (2006). Keeping the language focus in content-based ESL instruction through proactive curriculum planning. TESL Canada Journal, 24(1), 40–58.
5. Brinton, D. M., & Holten, C. (1997). Into, through, and beyond. English Teaching Forum, 35(4), 11–23.