Cita APA (7a ed.)

Craven, M. (2004). Listening extra: A resource book of multi-level skills activities. Cambridge University Press.

Cita Chicago Style (17a ed.)

Craven, Miles. Listening Extra: A Resource Book of Multi-level Skills Activities. Cambridge, United Kingdom: Cambridge University Press, 2004.

Cita MLA (9a ed.)

Craven, Miles. Listening Extra: A Resource Book of Multi-level Skills Activities. Cambridge University Press, 2004.