Harkins, H. N., & Nyhus, L. M. (1969). Surgery of the stomach and duodenum. Little, Brown.
Lua i Stíl Chicago (17ú heag.)Harkins, Henry Nelson, agus Lloyd M. Nyhus. Surgery of the Stomach and Duodenum. Boston: Little, Brown, 1969.
Lua MLA (9ú heag.)Harkins, Henry Nelson, agus Lloyd M. Nyhus. Surgery of the Stomach and Duodenum. Little, Brown, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.