Levine, R. S. (2021). The failed promise: Reconstruction, Frederick Douglass, and the impeachment of Andrew Johnson (First edition.). W. W. Norton & Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLevine, Robert S. The Failed Promise: Reconstruction, Frederick Douglass, and the Impeachment of Andrew Johnson. First edition. New York, NY: W. W. Norton & Company, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLevine, Robert S. The Failed Promise: Reconstruction, Frederick Douglass, and the Impeachment of Andrew Johnson. First edition. W. W. Norton & Company, 2021.
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