India. Ministry of Agriculture, Indian Council of Agricultural Research, Drieberg, T., & Varma, R. (1980). Agriculture in India. Published by Indian Council of Agricultural Research on behalf of Ministry of Agriculture, Govt. of India.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)India. Ministry of Agriculture, Indian Council of Agricultural Research, Trevor Drieberg, و Ravi Varma. Agriculture in India. New Delhi: Published by Indian Council of Agricultural Research on behalf of Ministry of Agriculture, Govt. of India, 1980.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)India. Ministry of Agriculture, et al. Agriculture in India. Published by Indian Council of Agricultural Research on behalf of Ministry of Agriculture, Govt. of India, 1980.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.