Gaya APA
Khallaf, A, W., Hilmy, K, M.
(1997).
Ilmu ushulul fiqh
(
Cet.2)
.
Bandung:
Gema RisalahPress.
Gaya MLA
Khallaf, Abdul, Wahhab., Hilmy, KH., Masdar.
"Ilmu ushulul fiqh".
Cet.2
Bandung:
Gema RisalahPress,
1997.
Buku Tercetak.