Ball, P. (2016). Patterns in nature: Why the natural world looks the way it does. The University of Chicago Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBall, Philip. Patterns in Nature: Why the Natural World Looks the Way It Does. Chicago: The University of Chicago Press, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBall, Philip. Patterns in Nature: Why the Natural World Looks the Way It Does. The University of Chicago Press, 2016.
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