Athearn, R. G. (1963). The American heritage new illustrated history of the United States. Dell Pub..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAthearn, Robert G. The American Heritage New Illustrated History of the United States. Dell Pub., 1963.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAthearn, Robert G. The American Heritage New Illustrated History of the United States. Dell Pub., 1963.
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