1. Arola, L., Kangas, E., & Pelkonen, M. (2014). Meänkieli i Sverige: An overview of a language in context. Studies in European Language Diversity 33.2. Mainz: Research consortium ELDIA.
2. Azurmendi, M.-J., & Martinez de Luna, J. (2011). Success-failure continuum of Euskara in the Basque Country. In J. A. Fishman & O. García (Eds.), Handbook of language and ethnic identity: The success-failure continuum in language and ethnic identity efforts (pp. 192–203). Oxford University Press.
3. Baker, C. (2011). Foundations of bilingual education and bilingualism. 5th edition. Multilingual Matters.
4. Bateman, N. (2016). A longitudinal study of bilingual identity development in a heritage language learner. Language and Dialogue, 6(2), 254–274.
5. Bucholtz, M., & Hall, K. (2005). Identity and interaction: A sociocultural linguistic approach. Discourse Studies, 7(4–5), 585–614.