Abnett, D. (2012). Star trek classics (2011), volume 3: Encounters with the unknown (Collected.). Idea and Design Work, LLC.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAbnett, Dan. Star Trek Classics (2011), Volume 3: Encounters with the Unknown. Collected. Cleveland: Idea and Design Work, LLC, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAbnett, Dan. Star Trek Classics (2011), Volume 3: Encounters with the Unknown. Collected. Idea and Design Work, LLC, 2012.
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