Radden Keefe, P. (2021). Empire of pain: The secret history of the sackler dynasty (Unabridged.). Random House Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRadden Keefe, Patrick. Empire of Pain: The Secret History of the Sackler Dynasty. Unabridged. New York: Random House Audio, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRadden Keefe, Patrick. Empire of Pain: The Secret History of the Sackler Dynasty. Unabridged. Random House Audio, 2021.
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