Downing, A., & Locke, P. (2002). A university course in English grammar. Routledge.
芝加哥风格引文Downing, Angela, 与 Philip Locke. A University Course in English Grammar. London: Routledge, 2002.
MLA引文Downing, Angela, 与 Philip Locke. A University Course in English Grammar. Routledge, 2002.
警告：这些引文格式不一定是100％准确.