Gaya APA
El-Shafa, A, Z.
(2010).
Rizki mengalir Berkat Shalat Lail
.
Surabaya:
Delta Prima Press.
Gaya MLA
El-Shafa, Ahmad, Zacky.
"Rizki mengalir Berkat Shalat Lail".
Surabaya:
Delta Prima Press,
2010.
Text.