Alexander, D. E. (2017). Nature's machines: An introduction to organismal biomechanics. Academic Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAlexander, David E. Nature's Machines: An Introduction to Organismal Biomechanics. London, United Kingdom: Academic Press, 2017.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAlexander, David E. Nature's Machines: An Introduction to Organismal Biomechanics. Academic Press, 2017.
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