Al Shubaili، M. A. A.، و Garth، B. (1981). Saudi Arabia-Sudan Agreement on the Joint Development of the Natural Resources of the Seabed and Subsoil of the Red Sea in the Common Zone (رسالة ماجستير غير منشورة). Indiana University، إنديانا. مسترجع من http://search.mandumah.com/Record/611016
Al Shubaili، Mohammed Abd Allah، و Bryant Garth. "Saudi Arabia-Sudan Agreement On the Joint Development of the Natural Resources of the Seabed and Subsoil of the Red Sea in the Common Zone" رسالة ماجستير. Indiana University، إنديانا، 1981. مسترجع من http://search.mandumah.com/Record/611016