Harlow, R. (1943). The growth of the United States (Revised edition.). Henry Holt and company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHarlow, Ralph. The Growth of the United States. Revised edition. New York: Henry Holt and company, 1943.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHarlow, Ralph. The Growth of the United States. Revised edition. Henry Holt and company, 1943.
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