McKeever, S. K. (2019). Outpost zero (2018), volume 2: Follow it down (Collected.). Image Comics.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMcKeever, Sean Kelley. Outpost Zero (2018), Volume 2: Follow It Down. Collected. Cleveland: Image Comics, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMcKeever, Sean Kelley. Outpost Zero (2018), Volume 2: Follow It Down. Collected. Image Comics, 2019.
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