O'Grady William, Archibald John, & Katamba Francis. (2011). Contemporary linguistic: An introduction (2nd ed.). Pearson education ltd..
芝加哥风格引文O'Grady William, Archibald John, 与 Katamba Francis. Contemporary Linguistic: An Introduction. 2nd ed. Harlow: Pearson education ltd., 2011.
MLA引文O'Grady William, et al. Contemporary Linguistic: An Introduction. 2nd ed. Pearson education ltd., 2011.
警告：这些引文格式不一定是100％准确.