APA-viite (7. p.)
Ledwig, M. (2007). Common sense: Its history, method, and applicability. P. Lang.
Chicago-viite (17. p.)
Ledwig, Marion. Common Sense: Its History, Method, and Applicability. New York: P. Lang, 2007.
MLA-viite (9. p.)
Ledwig, Marion. Common Sense: Its History, Method, and Applicability. P. Lang, 2007.
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