Cita APA

Quintana, J., & Jenny Quintana. (2001). Countdown to First Certificate: Vocabulary Supplement. Oxford: Oxford University Press.

Chicago Style Citation

Quintana, Jenny, i Jenny Quintana. Countdown to First Certificate: Vocabulary Supplement. Oxford: Oxford University Press, 2001.

Cita MLA

Quintana, Jenny, i Jenny Quintana. Countdown to First Certificate: Vocabulary Supplement. Oxford: Oxford University Press, 2001.

Atenció: Aquestes cites poden no estar 100% correctes.