khalid, r. o. (1962). annotated bibliography on investment criteria for economic development of under developed economics. the institute of national planning.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)khalid, r. o. Annotated Bibliography on Investment Criteria for Economic Development of Under Developed Economics. cairo: the institute of national planning, 1962.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)khalid, r. o. Annotated Bibliography on Investment Criteria for Economic Development of Under Developed Economics. the institute of national planning, 1962.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.