Gaya APA

Khallaf, A, W. (1989). Kaidah-kaidah hukum Islam (ilmu ushulul fiqh) (1). : Rajawali.

Gaya MLA

Khallaf, Abdul, Wahhab. "Kaidah-kaidah hukum Islam (ilmu ushulul fiqh)". 1 : Rajawali, 1989. Text.