Quintana, J., & Jenny Quintana. (2001). Countdown to First Certificate: Vocabulary Supplement. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoQuintana, Jenny, và Jenny Quintana. Countdown to First Certificate: Vocabulary Supplement. Oxford: Oxford University Press, 2001.
MLA引文Quintana, Jenny, và Jenny Quintana. Countdown to First Certificate: Vocabulary Supplement. Oxford: Oxford University Press, 2001.
警告:这些引文格式不一定是100%准确.