Cita APA (7th ed.)

(2014). First Certificate in English with Answers. Cambridge, Cambridge University Press, 2014.

Cita Chicago (17th ed.)

First Certificate in English with Answers. Cambridge, Cambridge University Press, 2014, 2014.

Cita MLA (9th ed.)

First Certificate in English with Answers. Cambridge, Cambridge University Press, 2014, 2014.