Jaga Praveen Kumar & Singh Bharat. (2016). Soil Fertility Fertilizers and Agrochemicals. Daya Publishing House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJaga Praveen Kumar और Singh Bharat. Soil Fertility Fertilizers and Agrochemicals. New Delhi: Daya Publishing House, 2016.
एमएलए (9वां संस्करण) प्रशस्ति पत्रJaga Praveen Kumar और Singh Bharat. Soil Fertility Fertilizers and Agrochemicals. Daya Publishing House, 2016.
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