Cita APA (7a ed.)

Cook, V. J. (2002). Portraits of the L2 user. Multilingual Matters.

Cita Chicago Style (17a ed.)

Cook, V. J. Portraits of the L2 User. Clevedon, Anglaterra [etc.]: Multilingual Matters, 2002.

Cita MLA (9a ed.)

Cook, V. J. Portraits of the L2 User. Multilingual Matters, 2002.