Gaya APA

Asyur, M, , A. (2002). Khutbah dan wasiat Umar Ibnul Khatab . : Gema Insani Press.

Gaya MLA

Asyur, Muh., , Ahmad. "Khutbah dan wasiat Umar Ibnul Khatab". : Gema Insani Press, 2002. .