Dyfyniad APA

Harkins, H. N., & Nyhus, L. M. (1969). Surgery of the stomach and duodenum. Little, Brown.

Dyfyniad Arddull Chicago

Harkins, Henry Nelson, and Lloyd M. Nyhus. Surgery of the Stomach and Duodenum. Boston: Little, Brown, 1969.

Dyfyniad MLA

Harkins, Henry Nelson, and Lloyd M. Nyhus. Surgery of the Stomach and Duodenum. Little, Brown, 1969.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.