Gaya APA
Hidayat, D., Firdaus, I.
(1988).
Ihya Ulumuddin Jiwa Agama Jilid 7
.
Jakata:
PT Panca Anugrah Sakti.
Gaya MLA
Hidayat, Dody., Firdaus, Iman.
"Ihya Ulumuddin Jiwa Agama Jilid 7".
Jakata:
PT Panca Anugrah Sakti,
1988.
Text.