Speakman, S. (2021). The tempered steel of Antiquity Grey (Grim Oak Press edition.). Grim Oak Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSpeakman, Shawn. The Tempered Steel of Antiquity Grey. Grim Oak Press edition. Seattle, WA: Grim Oak Press, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSpeakman, Shawn. The Tempered Steel of Antiquity Grey. Grim Oak Press edition. Grim Oak Press, 2021.
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