Assasiyat al-amal al-masr fi al-islami al-waqi wa al-afaq : dirasat muqaranat wa mawazinat li al-jawanib : alqanunniyyat, al-masrifiyyah, al-fiqhiyyah - al-Ba'li,'Abd al-Hamid Mahmud (Qahirah : Maktab Wahbah, 1990)
Keywords: Contracts (Islamic law)