Bin Dehaish، H. A. A.، و Jafer، N. (1999). The Legal Aspects of Petroleum Agreements between International Companies and the GCC States: Special Reference to Kingdom of Saudi Arabia (رسالة ماجستير غير منشورة). University College London، لندن. مسترجع من http://search.mandumah.com/Record/602382
Bin Dehaish، Hesham Abd Almalik، و N. Jafer. "The Legal Aspects of Petroleum Agreements between International Companies and the GCC States: Special Reference to Kingdom of Saudi Arabia" رسالة ماجستير. University College London، لندن، 1999. مسترجع من http://search.mandumah.com/Record/602382