Venkataramanan, L. (1978). Normal backwardation and hedging asymmetry. Institute of Economic Development and Research, School of Economics, University of the Philippines.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Venkataramanan, L.S. Normal Backwardation and Hedging Asymmetry. [Quezon City]: Institute of Economic Development and Research, School of Economics, University of the Philippines, 1978.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Venkataramanan, L.S. Normal Backwardation and Hedging Asymmetry. Institute of Economic Development and Research, School of Economics, University of the Philippines, 1978.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.