frisch, r. (1963). how to plan in international planning everything has its price , and economic policy making means a compromise among several desiderata. National Planning Institute.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)frisch, ragnar. How to Plan in International Planning Everything Has Its Price , and Economic Policy Making Means a Compromise Among Several Desiderata. cairo: National Planning Institute, 1963.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)frisch, ragnar. How to Plan in International Planning Everything Has Its Price , and Economic Policy Making Means a Compromise Among Several Desiderata. National Planning Institute, 1963.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.