APA aipamena

Stevenson, J. (1945). Ambulatory Treatment of Duodenal Ulcer.

Chicago Style aipamena

Stevenson, John. Ambulatory Treatment of Duodenal Ulcer. 1945.

MLA aipamena

Stevenson, John. Ambulatory Treatment of Duodenal Ulcer. 1945.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.