SINGH, S. (2007). Farm machinery: Principles and applications. Directorate of Information and Publications on Agriculture, Indian Council of Agricultural Research.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSINGH, Surendra. Farm Machinery: Principles and Applications. Directorate of Information and Publications on Agriculture, Indian Council of Agricultural Research, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSINGH, Surendra. Farm Machinery: Principles and Applications. Directorate of Information and Publications on Agriculture, Indian Council of Agricultural Research, 2007.
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