Gaya APA
Al-Qardhawy, Y., Suhardi, .
(1998).
Taubat
.
Bandung:
Pustaka Al-Kautsar.
Gaya MLA
Al-Qardhawy, Yusuf., Suhardi, .
"Taubat".
Bandung:
Pustaka Al-Kautsar,
1998.
Text.