Ravage, J. W. (1997). Black pioneers: Images of the Black experience on the North American frontier. University of Utah Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRavage, John W. Black Pioneers: Images of the Black Experience on the North American Frontier. Salt Lake City: University of Utah Press, 1997.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRavage, John W. Black Pioneers: Images of the Black Experience on the North American Frontier. University of Utah Press, 1997.
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