Bolling, E. (2016). Wake up America: The nine virtues that made our nation great-and why we need them more than ever (Unabridged.). Macmillan Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBolling, Eric. Wake Up America: The Nine Virtues That Made Our Nation Great-and Why We Need Them More than Ever. Unabridged. New York, NY: Macmillan Audio, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBolling, Eric. Wake Up America: The Nine Virtues That Made Our Nation Great-and Why We Need Them More than Ever. Unabridged. Macmillan Audio, 2016.
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