Gaya APA

Khallaf, A, W. (1989, 1991). Kaidah-Kaidah Hukum Islam (ilmu Ushulul Fiqh) (1). Jakarta: Rajawali Pers.

Gaya MLA

Khallaf, Abdul, Wahhab. "Kaidah-Kaidah Hukum Islam (ilmu Ushulul Fiqh)". 1 Jakarta: Rajawali Pers, 1989, 1991. Text.