Brands, J. T. Equipment for vegetable production: Tools and implements, their use and the choice with the emphasis on the small-holding mechanization. Institute for Agricultural Engineering.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBrands, J. T. Equipment for Vegetable Production: Tools and Implements, Their Use and the Choice with the Emphasis on the Small-holding Mechanization. Wageningen: Institute for Agricultural Engineering.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBrands, J. T. Equipment for Vegetable Production: Tools and Implements, Their Use and the Choice with the Emphasis on the Small-holding Mechanization. Institute for Agricultural Engineering.
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