Cita APA (7a ed.)

Ng, B. C., & Wigglesworth, G. (2007). Bilingualism: An advanced resource book. Routledge.

Cita Chicago Style (17a ed.)

Ng, Bee Chin, y Gillian Wigglesworth. Bilingualism: An Advanced Resource Book. London: Routledge, 2007.

Cita MLA (9a ed.)

Ng, Bee Chin, y Gillian Wigglesworth. Bilingualism: An Advanced Resource Book. Routledge, 2007.