Abraham Lincoln Association, Springfield, Ill. (1924). Papers. [s.n.].
Chicago Style aipamenaAbraham Lincoln Association, Springfield, Ill. Papers. Springfield, Ill: [s.n.], 1924.
MLA aipamenaAbraham Lincoln Association, Springfield, Ill. Papers. [s.n.], 1924.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.