Gaya APA

Sleisenger and Fordtran's Gastrointestinal and Liver Disease : Review and Assesment. (2010). USA: Sauders Elsevier.

Gaya MLA

Sleisenger and Fordtran's Gastrointestinal and Liver Disease : Review and Assesment. 9. USA: Sauders Elsevier, 2010. Text.