بلتاجي, م. (2007). Ijtihad Umar bin Khattab dalam penetapan syariat Islam. Berlian Publications.
Chicago Style (17th ed.) Citationبلتاجي, محمد. Ijtihad Umar Bin Khattab Dalam Penetapan Syariat Islam. Puchong, Selangor: Berlian Publications, 2007.
MLA (9th ed.) Citationبلتاجي, محمد. Ijtihad Umar Bin Khattab Dalam Penetapan Syariat Islam. Berlian Publications, 2007.
Warning: These citations may not always be 100% accurate.