Thiel, D. V. (2014). Research methods for engineers (First edition.). Cambridge University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThiel, David V. Research Methods for Engineers. First edition. Reino Unido: Cambridge University Press, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रThiel, David V. Research Methods for Engineers. First edition. Cambridge University Press, 2014.
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