1. Brinton, D., Snow, M. A., & Wesche, M. (1989). Content-based second language instruction. New York: Newbury House.
2. Bullock, A. (1975). A language for life: Report of the committee of inquiry appointed by the secretary of state for education and science under the chairmanship of Sir Alan Bullock. U.K.: HM Stationery Office.
3. Cantoni-Harvey, G. (1987). Content-area language instruction: Approaches and strategies. Reading, MA: Addison-Wesley.
4. Cenoz, J. (2015). Content-Based instruction and content and language integrated learning: The same or different? Language, Culture and Curriculum, 28, 8–24.
5. Cenoz, J., Genesee, F., & Gorter, D. (2013). Critical analysis of CLIL: Taking stock and looking forward. Applied linguistics (pp. 1–21). NY: Oxford University Press. doi: 10.1093/applin/amt011