Gaya APA

Khalaf, A, W. (2010). Ilmu usul al-Fiqh . Bairut: Darul Kutub Al-Islamiah.

Gaya MLA

Khalaf, Abdul, Wahab. "Ilmu usul al-Fiqh". Bairut: Darul Kutub Al-Islamiah, 2010. Text.