Blockley, D. I. (2010). Bridges: The science and art of the world's most inspiring structures. Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBlockley, D. I. Bridges: The Science and Art of the World's Most Inspiring Structures. Oxford University Press, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBlockley, D. I. Bridges: The Science and Art of the World's Most Inspiring Structures. Oxford University Press, 2010.
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