References Bialystok, E. (1999). Cognitive complexity and attentional control in the bilingual mind. Child Development, 70, 636-644. Lanza, E. (1992). Can bilingual 2-year-olds code-switch? Journal of Child Language, 19, 633-658. Shaffer, D. R. (2002). Development Psychology: Childhood and Adolescence (6th Ed.). Belmont, CA: Wadsworth/ Thomson Learning.
References Bialystok, E. (1999). Cognitive complexity and attentional control in the bilingual mind. Child Development, 70, 636-644. Lanza, E. (1992). Can bilingual 2-year-olds code-switch? Journal of Child Language, 19, 633-658. Reich, P. A. (1986). Language Development. Englewood Cliffs, NJ: Prentice-Hall.