BhatiaT. K.RitchieW. D. (1999). The bilingual child: some issues and perspectives. In RitchieW. C.BhatiaT. K. (Eds.). Handbook of second language acquisition (pp. 569–643). San Diego, CA: Academic Press.
2.
CrystalD. (1997). English as a global language. Cambridge, UK: Cambridge University Press.
3.
OllerD. K.PearsonB.Cobo-LewisA. (2007). Profile effects in early bilingual language and literacy. Applied Psycholinguistics, 28, 191–230.
