Gaya APA

Asyur, M, A. (2002). Khotbah dan Wasiat Umar Ibnul Khathtab . Jakarta: Gema Insani Press.

Gaya MLA

Asyur, Muhammad, Ahmad. "Khotbah dan Wasiat Umar Ibnul Khathtab". Jakarta: Gema Insani Press, 2002. Text.