Gaya APA
Mansur, Y.
(2011).
The Miracle of Tahajjud & Dhuha
.
Jakarta:
Zikrul Hakim.
Gaya MLA
Mansur, Yusuf.
"The Miracle of Tahajjud & Dhuha".
Jakarta:
Zikrul Hakim,
2011.
Teks.