GRAVER, B. (1984). Advanced english practice: With key .-- Ed.2. Oxford University Press.
芝加哥风格引文GRAVER, B.D. Advanced English Practice: With Key .-- Ed.2. Oxford: Oxford University Press, 1984.
MLA引文GRAVER, B.D. Advanced English Practice: With Key .-- Ed.2. Oxford University Press, 1984.
警告：这些引文格式不一定是100％准确.