Ennis, G. (2018). The darkness: the darkness/batman & the darkness/superman: Darkness/batman & darkness/superman 20th anniversary collection. Image Comics.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEnnis, Garth. The Darkness: The Darkness/batman & the Darkness/superman: Darkness/batman & Darkness/superman 20th Anniversary Collection. Cleveland: Image Comics, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEnnis, Garth. The Darkness: The Darkness/batman & the Darkness/superman: Darkness/batman & Darkness/superman 20th Anniversary Collection. Image Comics, 2018.
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