APA Style
Abdurrahman, F. (s.a.).
The Great of Two Umars : Kisah hidup dua khalifah paling legendaris... .
Jakarta:
Zaman.
MLA Style
Abdurrahman, Fuad.
"The Great of Two Umars : Kisah hidup dua khalifah paling legendaris...".
Jakarta:
Zaman,
s.a..
Book.