Gaya APA

Feldman,, M. (2006). Sleisenger and fordtran's gastrointestinal and liver disease Volume 2 (8). : WB. Saunders Co.

Gaya MLA

Feldman,, Mark. "Sleisenger and fordtran's gastrointestinal and liver disease Volume 2". 8 : WB. Saunders Co, 2006. Text.