Gaya APA
Kecemerlangan khalifah Umar bin Khattab. (1978).
Jakarta:
[s.n.].
Gaya Chicago
Kecemerlangan khalifah Umar bin Khattab.
.
Jakarta:
[s.n.],
1978.
Text.
Gaya MLA
Kecemerlangan khalifah Umar bin Khattab.
.
Jakarta:
[s.n.],
1978.
Text.
Gaya Turabian
Kecemerlangan khalifah Umar bin Khattab.
Jakarta:
[s.n.],
1978.
Print.