APA (7th ed.) Zitazioa

Inflammatory Intestinal Diseases. Cambridge University Press.

Chicago Style (17th ed.) Zitazioa

Inflammatory Intestinal Diseases. Cambridge University Press.

MLA (9th ed.) Zitazioa

Inflammatory Intestinal Diseases. Cambridge University Press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.