Walder, T., & Blau, J. A. (2020). The unexpected spy: From the CIA to the FBI, my secret life taking down some of the world's most notorious terrorists (First edition.). St. Martin's Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWalder, Tracy, और Jessica Anya Blau. The Unexpected Spy: From the CIA to the FBI, My Secret Life Taking Down Some of the World's Most Notorious Terrorists. First edition. New York: St. Martin's Press, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWalder, Tracy, और Jessica Anya Blau. The Unexpected Spy: From the CIA to the FBI, My Secret Life Taking Down Some of the World's Most Notorious Terrorists. First edition. St. Martin's Press, 2020.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.