Sandford, J. (2023). Dark angel (Large print edition.). Thorndike Press, a part of Gale, a Cengage Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSandford, John. Dark Angel. Large print edition. Waterville, ME: Thorndike Press, a part of Gale, a Cengage Company, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSandford, John. Dark Angel. Large print edition. Thorndike Press, a part of Gale, a Cengage Company, 2023.
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