Ali، A. M.، و Hipple، B. T. (1967). THE SYSTEMS OF FINANCIAL ADMINISTRATION IN SAUDI ARABIA AND NEW YORK STATE: A STUDY OF CONTRASTS, WITH SPECIAL REFERENCE TO PREAUDIT (رسالة دكتوراه غير منشورة). University of Michigan، آنآربر. مسترجع من http://search.mandumah.com/Record/615012
Ali، Ahmed Mohamad، و Byron T. Hipple. "THE SYSTEMS OF FINANCIAL ADMINISTRATION IN SAUDI ARABIA AND NEW YORK STATE: A STUDY OF CONTRASTS, WITH SPECIAL REFERENCE TO PREAUDIT" رسالة دكتوراه. University of Michigan، آنآربر، 1967. مسترجع من http://search.mandumah.com/Record/615012