Citazione Stile APA (7a Edizione)

Betsis, A. (1996). Cambridge First certificate: Rivision practice tests. Cambridge University Press.

Citazione stile Chigago Style (17a edizione)

Betsis, Andrew. Cambridge First Certificate: Rivision Practice Tests. Cambridge: Cambridge University Press, 1996.

Citatione MLA (8a ed.)

Betsis, Andrew. Cambridge First Certificate: Rivision Practice Tests. Cambridge University Press, 1996.