Gaya APA

Krol, J, F., M.B, D, G, A. (2005). Handbook of bilingualism: psycholinguistic approach . : Oxford University Press.

Gaya MLA

Krol, Judith, F., M.B, De, Groot,, Annette. "Handbook of bilingualism: psycholinguistic approach". : Oxford University Press, 2005. .