Gaya APA
Khalid, K, M.
(2020).
Umar Bin Khattab
(
Cet. 1)
.
Solo:
AQWAM.
Gaya MLA
Khalid, Khalid, Muhammad.
"Umar Bin Khattab".
Cet. 1
Solo:
AQWAM,
2020.
Art Original.