Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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