Gaya APA
Umar Bin Khatab. (2011).
Bandung:
Wacana Prima,.
Gaya Chicago
Umar Bin Khatab.
.
Bandung:
Wacana Prima,,
2011.
Text.
Gaya MLA
Umar Bin Khatab.
.
Bandung:
Wacana Prima,,
2011.
Text.
Gaya Turabian
Umar Bin Khatab.
Bandung:
Wacana Prima,,
2011.
Print.