Gaya APA
Ulwan, A, N.
(2005).
Saat Mu'min Merasakan Kelezatan Iman
.
Jakarta:
Robbani press.
Gaya MLA
Ulwan, Abdulllah, Nashih.
"Saat Mu'min Merasakan Kelezatan Iman".
Jakarta:
Robbani press,
2005.
Buku Tex.