Woelfle, G., & Christie, R. G. (2016). Answering the cry for freedom: Stories of African Americans and the American Revolution (First edition.). Calkins Creek, an imprint of Highlights.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWoelfle, Gretchen, और R. Gregory Christie. Answering the Cry for Freedom: Stories of African Americans and the American Revolution. First edition. Honesdale, Pennsylvania: Calkins Creek, an imprint of Highlights, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWoelfle, Gretchen, और R. Gregory Christie. Answering the Cry for Freedom: Stories of African Americans and the American Revolution. First edition. Calkins Creek, an imprint of Highlights, 2016.
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