Keehn, D. C. (2013). Knights of the Golden Circle: Secret empire, southern secession, Civil War. Louisiana State University Press.
Chicago-referens (17:e uppl.)Keehn, David C. Knights of the Golden Circle: Secret Empire, Southern Secession, Civil War. Baton Rouge: Louisiana State University Press, 2013.
MLA-referens (9:e uppl.)Keehn, David C. Knights of the Golden Circle: Secret Empire, Southern Secession, Civil War. Louisiana State University Press, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.