APA aipamena

Allen, A. W., & Welch, C. E. (1942). GASTRIC RESECTION FOR DUODENAL ULCER: FOLLOW-UP STUDIES.

Chicago Style aipamena

Allen, Arthur W., and Claude E. Welch. GASTRIC RESECTION FOR DUODENAL ULCER: FOLLOW-UP STUDIES. 1942.

MLA aipamena

Allen, Arthur W., and Claude E. Welch. GASTRIC RESECTION FOR DUODENAL ULCER: FOLLOW-UP STUDIES. 1942.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.