Shell, C., Obama, B., & Obama, M. (2019). Hope, never fear: A personal portrait of the Obamas. Chronicle Books, in association with Blackwell & Ruth.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रShell, Callie, Barack Obama, और Michelle Obama. Hope, Never Fear: A Personal Portrait of the Obamas. San Francisco: Chronicle Books, in association with Blackwell & Ruth, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रShell, Callie, et al. Hope, Never Fear: A Personal Portrait of the Obamas. Chronicle Books, in association with Blackwell & Ruth, 2019.
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