Gaya APA

Sp.PD-KGEH, D, D, R, E. (2020). Penatalaksanaan Klinis Kelainan Gastrointestinal . Jakarta: EGC.

Gaya MLA

Sp.PD-KGEH, Dr., Dr., Rustam, Effendi-YS,. "Penatalaksanaan Klinis Kelainan Gastrointestinal". Jakarta: EGC, 2020. Text.