Hartfield, C. (2022). A few red drops: The Chicago Race Riot of 1919 (First paperback edition.). Clarion Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHartfield, Claire. A Few Red Drops: The Chicago Race Riot of 1919. First paperback edition. Boston: Clarion Books, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHartfield, Claire. A Few Red Drops: The Chicago Race Riot of 1919. First paperback edition. Clarion Books, 2022.
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