Gaya APA

Hamers, J, F., Blang, M, H, A. (1989). Bilinguality and bilingualism . New York: Cambridge Univeristy Press.

Gaya MLA

Hamers, Josiane, F.., Blang, Michel, H, A. "Bilinguality and bilingualism". New York: Cambridge Univeristy Press, 1989. Text.