APA aipamena

(1966). Encyclopedia international. Volume 20th: Index. New York: Grolier.

Chicago Style aipamena

Encyclopedia International. Volume 20th: Index. New York: Grolier, 1966.

MLA aipamena

Encyclopedia International. Volume 20th: Index. New York: Grolier, 1966.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.