Balson, R. H. (2023). An affair of spies: A novel (Large print edition.). Thorndike Press, a part of Gale, a Cengage Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBalson, Ronald H. An Affair of Spies: A Novel. Large print edition. Waterville, Maine: Thorndike Press, a part of Gale, a Cengage Company, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBalson, Ronald H. An Affair of Spies: A Novel. Large print edition. Thorndike Press, a part of Gale, a Cengage Company, 2023.
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