University of the Philippines (Diliman). School of Economics & Industrial Promotion Policies Project. (1978). Procedure for DRC calculation using input-output data. UPSE.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)University of the Philippines (Diliman). School of Economics و Industrial Promotion Policies Project. Procedure for DRC Calculation Using Input-output Data. [Quezon City]: UPSE, 1978.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)University of the Philippines (Diliman). School of Economics و Industrial Promotion Policies Project. Procedure for DRC Calculation Using Input-output Data. UPSE, 1978.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.