Gaya APA
Khalid, K, M.
(2020).
Abu Bakar Ash-Shiddiq
(
2020)
.
Solo:
AQWAM.
Gaya MLA
Khalid, Khalid, Muhammad.
"Abu Bakar Ash-Shiddiq".
2020
Solo:
AQWAM,
2020.
Buku.