ASYUR, M. A. (2002). Khotbah dan wasiat Umar Ibnul Khaththab. Jakarta: Gema Insani Press.
シカゴスタイル引用形ASYUR, Muahmmad Ahmad. Khotbah Dan Wasiat Umar Ibnul Khaththab. Jakarta: Gema Insani Press, 2002.
MLA引用形式ASYUR, Muahmmad Ahmad. Khotbah Dan Wasiat Umar Ibnul Khaththab. Jakarta: Gema Insani Press, 2002.
警告: この引用は必ずしも正確ではありません.