Clark, G. (1964). The balance sheets of imperialism: Facts and figures on colonies. Russell & Russell.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रClark, Grover. The Balance Sheets of Imperialism: Facts and Figures on Colonies. New York: Russell & Russell, 1964.
एमएलए (9वां संस्करण) प्रशस्ति पत्रClark, Grover. The Balance Sheets of Imperialism: Facts and Figures on Colonies. Russell & Russell, 1964.
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