Gaya APA

Ulum, M, F, A., Ulum, M, F, A. (2017). Sepotong Surga Bernama Indonesia (1). Jakarta Timur: GLN Kemdikbud.

Gaya MLA

Ulum, Muhammad, Fatan, Ariful., Ulum, Muhammad, Fatan, Ariful. "Sepotong Surga Bernama Indonesia". 1 Jakarta Timur: GLN Kemdikbud, 2017. Electronic Resource.