Gaya APA
Thuluvath, P, J., Maheshwari, A.
(2006).
Gastroenterology
.
Philadelphia:
mosby elsevier.
Gaya MLA
Thuluvath, Paul, J.., Maheshwari, Anurag.
"Gastroenterology".
Philadelphia:
mosby elsevier,
2006.
Text.