George, P. S. (1979). Public distribution of foofgrains in Kerala: Income distribution implications and effectiveness. International Food Policy Research Institute.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)George, Poykayil Simon. Public Distribution of Foofgrains in Kerala: Income Distribution Implications and Effectiveness. Washington, D.C: International Food Policy Research Institute, 1979.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)George, Poykayil Simon. Public Distribution of Foofgrains in Kerala: Income Distribution Implications and Effectiveness. International Food Policy Research Institute, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.