ebrary, Inc, Lewis, D. S., & Slater, W. (2013). The annual register: World events 2012. ProQuest.
芝加哥风格引文ebrary, Inc, D. S. Lewis, 与 Wendy Slater. The Annual Register: World Events 2012. Ann Arbor, Mich.: ProQuest, 2013.
MLA引文ebrary, Inc, et al. The Annual Register: World Events 2012. ProQuest, 2013.
警告：这些引文格式不一定是100％准确.