APA (7th ed.) Zitazioa

Seminars in Ophthalmology. Cambridge University Press.

Chicago Style (17th ed.) Zitazioa

Seminars in Ophthalmology. Cambridge University Press.

MLA (9th ed.) Zitazioa

Seminars in Ophthalmology. Cambridge University Press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.