Παραπομπή APA

Feldman,, M. (1998). Sleisenger and Fordtrans' Gastro intestinal and liver disease: Vol-2 (6th ed.). W.B.Saunders.

Παραπομπή Chicago Style

Feldman,, Mark. Sleisenger and Fordtrans' Gastro Intestinal and Liver Disease: Vol-2. 6th ed. Philadelphia: W.B.Saunders, 1998.

Παραπομπή MLA

Feldman,, Mark. Sleisenger and Fordtrans' Gastro Intestinal and Liver Disease: Vol-2. 6th ed. W.B.Saunders, 1998.