APA
Feldman M., . (2006). Sleisenger & Fordtran's Gastrointestinal and Liver Disease. : .
Chicago
Feldman Mark, . 2006. Sleisenger & Fordtran's Gastrointestinal and Liver Disease. : .
Harvard
Feldman M., . (2006). Sleisenger & Fordtran's Gastrointestinal and Liver Disease. : .
MLA
Feldman Mark, . Sleisenger & Fordtran's Gastrointestinal and Liver Disease. : . 2006.