Gaya APA
Ash-Shallabi, A, M.
(2017).
Biografi Umar bin Khattab
(
Cet. 1)
.
Jakarta:
Ummul Qura.
Gaya MLA
Ash-Shallabi, Ali, Muhammad.
"Biografi Umar bin Khattab".
Cet. 1
Jakarta:
Ummul Qura,
2017.
Buku.