Gamal Moursi Badr, Islamic Law: Its Relation to Other Legal Systems, in The American Journal of Comparative Law, vol.26, 2 - Proceedings of an International Conference on Comparative Law, Salt Lake City, Utah, February 24–25, 1977, American Society of Comparative Law, Spring, 1978, pp.187–198 [196–8], DOI:10.2307/839667.
Gamal Moursi Badr, Islamic Law: Its Relation to Other Legal Systems, in The American Journal of Comparative Law, vol.26, 2 - Proceedings of an International Conference on Comparative Law, Salt Lake City, Utah, February 24–25, 1977, American Society of Comparative Law, Spring, 1978, pp.187–198 [196–8], DOI:10.2307/839667.