Obama, B. (2008). The Audacity of Hope: Thoughts on Reclaiming the American dream. Conongate Books Ltd.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रObama, Barack. The Audacity of Hope: Thoughts on Reclaiming the American Dream. New York: Conongate Books Ltd, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रObama, Barack. The Audacity of Hope: Thoughts on Reclaiming the American Dream. Conongate Books Ltd, 2008.
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