Não informado. (1978). Journal of Mechanical Design. American Society of Mechanical Engineers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Mechanical Design. New York: American Society of Mechanical Engineers, 1978.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Mechanical Design. American Society of Mechanical Engineers, 1978.
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