Johnson, P., & Adams, J. (2007). Heroes: From alexander the great and julius caesar to churchill and de gaulle (Unabridged.). Blackstone Audio, Inc., and Buck 50 Productions, LLC.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJohnson, Paul, और James Adams. Heroes: From Alexander the Great and Julius Caesar to Churchill and De Gaulle. Unabridged. Ashland: Blackstone Audio, Inc., and Buck 50 Productions, LLC, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रJohnson, Paul, और James Adams. Heroes: From Alexander the Great and Julius Caesar to Churchill and De Gaulle. Unabridged. Blackstone Audio, Inc., and Buck 50 Productions, LLC, 2007.
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