Leech, G., & Svartvik, J. (2002). A communicative grammar of English (3rd ed.). Pearson.
芝加哥风格引文Leech, Geoffrey, 与 Jan Svartvik. A Communicative Grammar of English. 3rd ed. London: Pearson, 2002.
MLA引文Leech, Geoffrey, 与 Jan Svartvik. A Communicative Grammar of English. 3rd ed. Pearson, 2002.
警告：这些引文格式不一定是100％准确.