APA aipamena

(1989). The New encyclopedia Britannica. Micropaedia knowledge in depth Excretion-Geometry. Encyclopedia Britannica.

Chicago Style aipamena

The New Encyclopedia Britannica. Micropaedia Knowledge in Depth Excretion-Geometry. Encyclopedia Britannica, 1989.

MLA aipamena

The New Encyclopedia Britannica. Micropaedia Knowledge in Depth Excretion-Geometry. Encyclopedia Britannica, 1989.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.