Citazione Stile APA (7a Edizione)

O'Dell, F. (1996). CAE writing skills. Cambridge University Press.

Citazione stile Chigago Style (17a edizione)

O'Dell, Felicity. CAE Writing Skills. Cambridge: Cambridge University Press, 1996.

Citatione MLA (8a ed.)

O'Dell, Felicity. CAE Writing Skills. Cambridge University Press, 1996.