Barnett, B. K. (2020). A knock at midnight: A story of hope, justice, and freedom (First edition.). Crown.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBarnett, Brittany K. A Knock at Midnight: A Story of Hope, Justice, and Freedom. First edition. New York: Crown, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBarnett, Brittany K. A Knock at Midnight: A Story of Hope, Justice, and Freedom. First edition. Crown, 2020.
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