Chopra, K. R. (1982). Technical guideline for sorghum and millet seed production. Food and Agriculture Organization of the United Nations.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChopra, Kuldip R. Technical Guideline for Sorghum and Millet Seed Production. Rome: Food and Agriculture Organization of the United Nations, 1982.
एमएलए (9वां संस्करण) प्रशस्ति पत्रChopra, Kuldip R. Technical Guideline for Sorghum and Millet Seed Production. Food and Agriculture Organization of the United Nations, 1982.
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