Flynn, I. (2021). Sonic the hedgehog: Bad guys (Collected Mini-Series.). IDW Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFlynn, Ian. Sonic the Hedgehog: Bad Guys. Collected Mini-Series. San Diego: IDW Publishing, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFlynn, Ian. Sonic the Hedgehog: Bad Guys. Collected Mini-Series. IDW Publishing, 2021.
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