Omar, M. (1967). Investment Policies and the Socio/ Economic Organization of Yugoslavia During the Period (1945-1965). The Institute of National Planning.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Omar, Mahmoud. Investment Policies and the Socio/ Economic Organization of Yugoslavia During the Period (1945-1965). Cairo: The Institute of National Planning, 1967.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Omar, Mahmoud. Investment Policies and the Socio/ Economic Organization of Yugoslavia During the Period (1945-1965). The Institute of National Planning, 1967.