Gaya APA
kesehatan, F., I. (2008).
GASTROENTEROLOGY HEPATOLOGY AND DIGESTIVE ENDOSCOPY .
Jakarta:
Departement of internal medicine.
Gaya MLA
kesehatan, F., Ilmu.
"GASTROENTEROLOGY HEPATOLOGY AND DIGESTIVE ENDOSCOPY".
Jakarta:
Departement of internal medicine,
2008.
Jurnal.