Gaya APA

al-Safi'i, M, I, I. (1987). Al- Imam Muhammad Ibn Idris Al-Shafi'i's Al-Risala Fi Usul Al-fiqh . : .

Gaya MLA

al-Safi'i, Muhammad, Ibn, Idris. "Al- Imam Muhammad Ibn Idris Al-Shafi'i's Al-Risala Fi Usul Al-fiqh". : , 1987. Text.