Cita APA (7a ed.)

Quintana J. Jenny. (2007). Build up to Countdown. Oxford, Oxford University Press, 2007.

Cita Chicago Style (17a ed.)

Quintana J. Jenny. Build Up to Countdown. Oxford, Oxford University Press, 2007, 2007.

Cita MLA (9a ed.)

Quintana J. Jenny. Build Up to Countdown. Oxford, Oxford University Press, 2007, 2007.