Dyfyniad APA

(1998). Sleisenger & fordtran's Gastrointestinal and Liver disease: Pathophysiology, diagnosis, management. Philadelphia, Pa: Saunders.

Dyfyniad Arddull Chicago

Sleisenger & Fordtran's Gastrointestinal and Liver Disease: Pathophysiology, Diagnosis, Management. Philadelphia, Pa: Saunders, 1998.

Dyfyniad MLA

Sleisenger & Fordtran's Gastrointestinal and Liver Disease: Pathophysiology, Diagnosis, Management. Philadelphia, Pa: Saunders, 1998.

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