Gaya APA
Haekal, M, H.
(2013).
Usman bin Affan
.
Bogor:
Pustaka Pintar Nusa.
Gaya MLA
Haekal, Muhammad, Husain.
"Usman bin Affan".
Bogor:
Pustaka Pintar Nusa,
2013.
Printed Book.