Fiqh al-zakāh : dirasah muqaranah li-aḥkamiha wa-falsafatihā fī ḍawʼ al-Quran wa-al-sunnah - Al qardawi, Yusuf (Dar al-Irshad lil-Ṭibaʻah wa-al-Nashr wa-al-Tawzīʻ, 2000)