APA aipamena

(1967). Encyclopaedia Britannica. Volume 21th: Spelman to timmins. Chicago: Benton W..

Chicago Style aipamena

Encyclopaedia Britannica. Volume 21th: Spelman to Timmins. Chicago: Benton W., 1967.

MLA aipamena

Encyclopaedia Britannica. Volume 21th: Spelman to Timmins. Chicago: Benton W., 1967.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.