Ambridge, B., & Lieven, E. V. M. (2011). Child language acquisition: Contrasting theoretical approaches. Cambridge University Press.

Ambridge, Ben, and Elena V. M. Lieven. Child Language Acquisition: Contrasting Theoretical Approaches. Cambridge ; New York: Cambridge University Press, 2011.

Ambridge, Ben, and Elena V. M. Lieven. Child Language Acquisition: Contrasting Theoretical Approaches. Cambridge University Press, 2011.