Williams, A. (2013). Research: Improve your reading and referencing skills. HarperCollins.
芝加哥风格引文Williams, Anneli. Research: Improve Your Reading and Referencing Skills. London: HarperCollins, 2013.
MLA引文Williams, Anneli. Research: Improve Your Reading and Referencing Skills. HarperCollins, 2013.
警告：这些引文格式不一定是100％准确.