al-Darir, a. M. a. (1990). al-Gharar wa atharuhu fi al-'uqud fi al-fiqh al-islami: Dirasah muqaranah. al-Dar al-Sudaniyyah Lil Kutub.
Chicago Style (17th ed.) Citational-Darir, al-Siddiq Muhammad al-Amin. Al-Gharar Wa Atharuhu Fi Al-'uqud Fi Al-fiqh Al-islami: Dirasah Muqaranah. al-Khurtum, Sudan: al-Dar al-Sudaniyyah Lil Kutub, 1990.
MLA (8th ed.) Citational-Darir, al-Siddiq Muhammad al-Amin. Al-Gharar Wa Atharuhu Fi Al-'uqud Fi Al-fiqh Al-islami: Dirasah Muqaranah. al-Dar al-Sudaniyyah Lil Kutub, 1990.
Warning: These citations may not always be 100% accurate.