O'Reilly, B., & Petkoff, R. (2022). Killing the killers: The secret war against terrorists (Unabridged.). Macmillan Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रO'Reilly, Bill, और Robert Petkoff. Killing the Killers: The Secret War Against Terrorists. Unabridged. New York: Macmillan Audio, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रO'Reilly, Bill, और Robert Petkoff. Killing the Killers: The Secret War Against Terrorists. Unabridged. Macmillan Audio, 2022.
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