Quintana, J. (2002). New headway: Pet practice tests. Oxford University Press.
Cita Chicago (17th ed.)Quintana, Jenny. New Headway: Pet Practice Tests. Oxford: Oxford University Press, 2002.
Cita MLA (9th ed.)Quintana, Jenny. New Headway: Pet Practice Tests. Oxford University Press, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.