Al Zahrani، A. A. H.، و Dillman، D. A. (1986). SAUDI ARABIAN DEVELOPMENT: A Sociological Study of Its Relation to Islam and Its Impacts on Society (رسالة دكتوراه غير منشورة). Washington State University، بولمان. مسترجع من http://search.mandumah.com/Record/617255
Al Zahrani، Abd Alrazzag H.، و Don A. Dillman. "SAUDI ARABIAN DEVELOPMENT: A Sociological Study of Its Relation to Islam and Its Impacts On Society" رسالة دكتوراه. Washington State University، بولمان، 1986. مسترجع من http://search.mandumah.com/Record/617255