Gaya APA

Umar, N., Af, A, G. (2018). Khutbah - khutbah imam besar / Nasaruddin Umar (Cet. 1). Jakarta: Pustaka IIMaN.

Gaya MLA

Umar, Nasaruddin., Af, Ahmad, Gaus. "Khutbah - khutbah imam besar / Nasaruddin Umar". Cet. 1 Jakarta: Pustaka IIMaN, 2018. Text.