Gaya APA
Al=Azizi, A, S.
(2021).
Biografi Lengkap Umar Bin Khathab Ra.
.
Yogyakarta:
Diva Press.
Gaya MLA
Al=Azizi, Abdul, Syukur.
"Biografi Lengkap Umar Bin Khathab Ra.".
Yogyakarta:
Diva Press,
2021.
.