George, P. S. (1983). Government interventions in foodgrain markets: Procurement and public distribution of foodgrains in India. Centre for Management in Agriculture, Indian Institute of Management.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)George, P. S. Government Interventions in Foodgrain Markets: Procurement and Public Distribution of Foodgrains in India. Ahmedabad: Centre for Management in Agriculture, Indian Institute of Management, 1983.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)George, P. S. Government Interventions in Foodgrain Markets: Procurement and Public Distribution of Foodgrains in India. Centre for Management in Agriculture, Indian Institute of Management, 1983.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.