Gaya APA

Jacobus, D, J. (2014). Irritable Bowel Syndrome(IBS) is Diagnosis dan Penatalaksanaan (Irritable Bowel Syndrome (IBS) - Diagnosis and Management) . Jakarta: Kalbe Farma.

Gaya MLA

Jacobus, Danny, Jaya. "Irritable Bowel Syndrome(IBS) is Diagnosis dan Penatalaksanaan (Irritable Bowel Syndrome (IBS) - Diagnosis and Management)". Jakarta: Kalbe Farma, 2014. Text.