Feldman, G. D. (1972). German imperialism, 1914-1918: The development of a historical debate. John Wiley & Sons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFeldman, Gerald D. German Imperialism, 1914-1918: The Development of a Historical Debate. John Wiley & Sons, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFeldman, Gerald D. German Imperialism, 1914-1918: The Development of a Historical Debate. John Wiley & Sons, 1972.
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