Adler-Olsen, J., & Aitken, M. (2014). The purity of vengeance: A Department Q novel (Center Point Large Print edition.). Center Point Large Print.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAdler-Olsen, Jussi, और Martin Aitken. The Purity of Vengeance: A Department Q Novel. Center Point Large Print edition. Thorndike, Maine: Center Point Large Print, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAdler-Olsen, Jussi, और Martin Aitken. The Purity of Vengeance: A Department Q Novel. Center Point Large Print edition. Center Point Large Print, 2014.
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