Gaya APA
Harta, A.
(2014).
The Golden Story of Umar bin Khaththab
(
Cet. 2)
.
Jakarta:
Maghfirah Pustaka.
Gaya MLA
Harta, Ahmad.
"The Golden Story of Umar bin Khaththab".
Cet. 2
Jakarta:
Maghfirah Pustaka,
2014.
Text.