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.
Text.