APA aipamena

(1993). Oxford illustrated encyclopedia: Vol.2 - The nature world. New York: Oxford Univ. Press.

Chicago Style aipamena

Oxford Illustrated Encyclopedia: Vol.2 - The Nature World. New York: Oxford Univ. Press, 1993.

MLA aipamena

Oxford Illustrated Encyclopedia: Vol.2 - The Nature World. New York: Oxford Univ. Press, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.