Não informado. (1970). Engineering Production. Engineering, Chemical & Machine Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Engineering Production. London: Engineering, Chemical & Machine Press, 1970.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Engineering Production. Engineering, Chemical & Machine Press, 1970.
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