Baumgart, W. (1982). Imperialism: The idea of British and French colonial expansion, 1880-1914. Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBaumgart, Winfried. Imperialism: The Idea of British and French Colonial Expansion, 1880-1914. Oxford University Press, 1982.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBaumgart, Winfried. Imperialism: The Idea of British and French Colonial Expansion, 1880-1914. Oxford University Press, 1982.
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