APA引文

(2011). Cambridge flyers: Examination papers from University of Cambridge ESOL. Cambridge: Cambridge University Press.

Trích dẫn kiểu Chicago

Cambridge Flyers: Examination Papers From University of Cambridge ESOL. Cambridge: Cambridge University Press, 2011.

MLA引文

Cambridge Flyers: Examination Papers From University of Cambridge ESOL. Cambridge: Cambridge University Press, 2011.

警告：这些引文格式不一定是100％准确.