Blum, H. (2018). In the enemy's house: The secret saga of the FBI agent and the code breaker who caught the Russian spies (First edition.). Harper, an imprint of HarperCollinsPublishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBlum, Howard. In the Enemy's House: The Secret Saga of the FBI Agent and the Code Breaker Who Caught the Russian Spies. First edition. New York, NY: Harper, an imprint of HarperCollinsPublishers, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBlum, Howard. In the Enemy's House: The Secret Saga of the FBI Agent and the Code Breaker Who Caught the Russian Spies. First edition. Harper, an imprint of HarperCollinsPublishers, 2018.
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