Cita APA (7a ed.)

Powell, D. (2005). Common mistakes at CAE: ... and how to avoid them (First published.). Cambridge University Press.

Cita Chicago Style (17a ed.)

Powell, Debra. Common Mistakes at CAE: ... and How to Avoid Them. First published. Cambridge, UK: Cambridge University Press, 2005.

Cita MLA (9a ed.)

Powell, Debra. Common Mistakes at CAE: ... and How to Avoid Them. First published. Cambridge University Press, 2005.