APA aipamena

Porritt, N. (1916). JEJUNAL FOR DUODENAL ULCERS.

Chicago Style aipamena

Porritt, Norman. JEJUNAL FOR DUODENAL ULCERS. 1916.

MLA aipamena

Porritt, Norman. JEJUNAL FOR DUODENAL ULCERS. 1916.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.