O'Brian, P., & Tull, P. (2012). The reverse of the medal (Unabridged.). Recorded Books Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रO'Brian, Patrick, और Patrick Tull. The Reverse of the Medal. Unabridged. Prince Frederick: Recorded Books Inc., 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रO'Brian, Patrick, और Patrick Tull. The Reverse of the Medal. Unabridged. Recorded Books Inc., 2012.
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