1. Aalberse, S., & Moro, F. (2014). Stability in Chinese and Malay heritage languages as a source of divergence. Stability and Divergence in Language Contact: Factors and Mechanisms, 16, 141–162.
2. Backus, A. (1996). Two in one. Bilingual speech of Turkish immigrants in the Netherlands. Tilburg: Tilburg University Press.
3. Backus, A. (2010). The role of codeswitching, loan translation and interference in the emergence of an immigrant variety of Turkish (Vol. 5, pp. 225–241). Working Papers in Corpus-based Linguistics and Language Education, Unknown Publisher.
4. Backus, A., Doğruöz, A. S., & Heine, B. (2011). Salient stages in contact-induced grammatical change: Evidence from synchronic vs. diachronic contact situations. Language Sciences, 33(5), 738–752.
5. Carreira, M. (2004). Seeking explanatory adequacy: A dual approach to understanding the term “heritage language learner”. Heritage Language Journal, 2(1), n1.