Ledwig, M. (2007). Common sense: Its history, method, and applicability. P. Lang.
芝加哥风格引文Ledwig, Marion. Common Sense: Its History, Method, and Applicability. New York: P. Lang, 2007.
MLA引文Ledwig, Marion. Common Sense: Its History, Method, and Applicability. P. Lang, 2007.
警告：这些引文格式不一定是100％准确.