Narayana, D. L., Raghava Rao, G., & Kondaiah, N. S. (1973). Studies in the economics of farm management in Cuddapah District, Andhra Pradesh. Directorate of Economics & Statistics, Govt. of India.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Narayana, D. L., G. Raghava Rao, و N. S. Kondaiah. Studies in the Economics of Farm Management in Cuddapah District, Andhra Pradesh. New Delhi: Directorate of Economics & Statistics, Govt. of India, 1973.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Narayana, D. L., et al. Studies in the Economics of Farm Management in Cuddapah District, Andhra Pradesh. Directorate of Economics & Statistics, Govt. of India, 1973.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.