MUHAMMAD, Q. I. (2002). Kebijakan Ekonomi Umar bin Khaththab. Pustaka Azzam.
Chicago Style CitationMUHAMMAD, Quthb Ibrahim. Kebijakan Ekonomi Umar Bin Khaththab. Pustaka Azzam, 2002.
MLA CitationMUHAMMAD, Quthb Ibrahim. Kebijakan Ekonomi Umar Bin Khaththab. Pustaka Azzam, 2002.
Warning: These citations may not always be 100% accurate.