Gaya APA
Al-azizi, A, S. (2021).
Umar bin khathab ra. : ketangguhan hati singa nabi saw (Cet. 1).
Yogyakarta:
Diva Press.
Gaya MLA
Al-azizi, Abdul, Syukur.
"Umar bin khathab ra. : ketangguhan hati singa nabi saw".
Cet. 1
Yogyakarta:
Diva Press,
2021.
.