Khotbah dan wasiat Umar Ibnul Khaththab r.a. - Asyur, Muhammad Ahmad; Al-Kattani, Abdul Hayyie; Tauhid, D. Iman (Jakarta : Gema Insani Press, 2002)
Daftar pustaka: p. 115-117
Keywords: 'Umar ibn al-Khattab, -- Caliph, -- d. 644; Da'wah (Islam)