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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChicago), Design Engineering Conference (1966. New Design Standards for Flexible Couplings. New York : American Society of Mechanical Engineers, 1966.
एमएलए (9वां संस्करण) प्रशस्ति पत्रChicago), Design Engineering Conference (1966. New Design Standards for Flexible Couplings. New York : American Society of Mechanical Engineers, 1966.
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