Al Zahrani، H. A.، و Davidson، S. (2002). Peaceful Modes of Defining International Boundary Disputes with Particular Reference to the Practice of the Kingdom of Saudi Arabia and its Neighbouring States Regarding the Settlement of their Land Boundary Disputes (رسالة دكتوراه غير منشورة). University of Hull، كينغستون أبون هال. مسترجع من http://search.mandumah.com/Record/605492
Al Zahrani، Hussain Attiyah، و Scott Davidson. "Peaceful Modes of Defining International Boundary Disputes With Particular Reference to the Practice of the Kingdom of Saudi Arabia and Its Neighbouring States Regarding the Settlement of Their Land Boundary Disputes" رسالة دكتوراه. University of Hull، كينغستون أبون هال، 2002. مسترجع من http://search.mandumah.com/Record/605492