Gaya APA

dkk, A, F, S. (2013). Konsesus Penatalaksanaan Irritable Bowel Syndrome (IBS) di Indonesia . Jakarta: PGI.

Gaya MLA

dkk, Ari, Fahrial, Syam. "Konsesus Penatalaksanaan Irritable Bowel Syndrome (IBS) di Indonesia". Jakarta: PGI, 2013. Teks.