McKeever, S. K. (2018). Outpost zero (2018), volume 1: The smallest town in the universe (Collected.). Image Comics.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMcKeever, Sean Kelley. Outpost Zero (2018), Volume 1: The Smallest Town in the Universe. Collected. Cleveland: Image Comics, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMcKeever, Sean Kelley. Outpost Zero (2018), Volume 1: The Smallest Town in the Universe. Collected. Image Comics, 2018.
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