Cita APA (7th ed.)

O`Connell S. Sue & Hashemi L. Louise. (2004). Cambridge First Certificate. Listening and Speaking (new ed.). New York, Cambridge University Press, 2004.

Cita Chicago (17th ed.)

O`Connell S. Sue i Hashemi L. Louise. Cambridge First Certificate. Listening and Speaking. new ed. New York, Cambridge University Press, 2004, 2004.

Cita MLA (9th ed.)

O`Connell S. Sue i Hashemi L. Louise. Cambridge First Certificate. Listening and Speaking. new ed. New York, Cambridge University Press, 2004, 2004.