HUNT, D. (1977). Farm power and machinery management: Laboratory workand workbook.-- 7th ed. Iowa State University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHUNT, Donnell. Farm Power and Machinery Management: Laboratory Workand Workbook.-- 7th Ed. Ames: Iowa State University Press, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHUNT, Donnell. Farm Power and Machinery Management: Laboratory Workand Workbook.-- 7th Ed. Iowa State University Press, 1977.
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