Flynn, I. (2019). Sonic the hedgehog (2018), volume 4: Infection (Collected.). Idea and Design Work, LLC.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFlynn, Ian. Sonic the Hedgehog (2018), Volume 4: Infection. Collected. Cleveland: Idea and Design Work, LLC, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFlynn, Ian. Sonic the Hedgehog (2018), Volume 4: Infection. Collected. Idea and Design Work, LLC, 2019.
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