Obama, B. (2006). The audacity of hope: Thoughts on reclaiming the American dream. Crown Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रObama, Barack. The Audacity of Hope: Thoughts on Reclaiming the American Dream. New York: Crown Publishers, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्रObama, Barack. The Audacity of Hope: Thoughts on Reclaiming the American Dream. Crown Publishers, 2006.
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