APA引文

ebrary, Inc, Lewis, D. S., & Slater, W. (2010). World events 2009. ProQuest.

Chicago Style (17th ed.) Citation

ebrary, Inc, D. S. Lewis, and Wendy Slater. World Events 2009. Ann Arbor, Mich.: ProQuest, 2010.

MLA引文

ebrary, Inc, et al. World Events 2009. ProQuest, 2010.

警告：這些引文格式不一定是100％准確.