Gude, K., & Kathy Gude. (2000). Advanced listening and speaking: CAE (New edition.). Oxford University Press.
芝加哥风格引文Gude, Kathy, 与 Kathy Gude. Advanced Listening and Speaking: CAE. New edition. Oxford: Oxford University Press, 2000.
MLA引文Gude, Kathy, 与 Kathy Gude. Advanced Listening and Speaking: CAE. New edition. Oxford University Press, 2000.
警告：这些引文格式不一定是100％准确.