APA aipamena

Columbia University & Ansley, C. F. (1935). The Columbia encyclopedia. Columbia university press.

Chicago Style aipamena

Columbia University and Clarke Fisher Ansley. The Columbia Encyclopedia. New York: Columbia university press, 1935.

MLA aipamena

Columbia University and Clarke Fisher Ansley. The Columbia Encyclopedia. Columbia university press, 1935.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.