Gaya APA
Khallaf, A, A.
(1990).
`Ilm Usul Fiqh
.
Kuwait:
Dar al-Qalam li Nashr wa Rawzi`.
Gaya MLA
Khallaf, Abd, Al-Wahhab.
"`Ilm Usul Fiqh".
Kuwait:
Dar al-Qalam li Nashr wa Rawzi`,
1990.
Buku.