Gaya APA

S.n., . et al (2013). Harrison Gastroenterologi: Disertai Contoh Kasus Klinik . Tangerang: Karisma Publishing Group.

Gaya MLA

S.n., . et al. "Harrison Gastroenterologi: Disertai Contoh Kasus Klinik". Tangerang: Karisma Publishing Group, 2013. Text.