Duckworth, M. (2007). Build up to countdown: (MultiROM). Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoDuckworth, Michael. Build Up to Countdown: (MultiROM). Oxford: Oxford University Press, 2007.
MLA引文Duckworth, Michael. Build Up to Countdown: (MultiROM). Oxford: Oxford University Press, 2007.
警告:這些引文格式不一定是100%准確.