APA (7th ed.) Zitazioa
Karell, U. (1936). Aneurism of the internal carotid and the ligation of the carotids.
Chicago Style (17th ed.) Zitazioa
Karell, Ulrich. Aneurism of the Internal Carotid and the Ligation of the Carotids. Tartu, 1936.
MLA (9th ed.) Zitazioa
Karell, Ulrich. Aneurism of the Internal Carotid and the Ligation of the Carotids. 1936.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.