Wright, M. e., & Wright, M. (1975). Theory and Practice of the Balance of Power: 1486-1914. J.M. Dent.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWright, Moorhead ed, और Moorhead Wright. Theory and Practice of the Balance of Power: 1486-1914. J.M. Dent, 1975.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWright, Moorhead ed, और Moorhead Wright. Theory and Practice of the Balance of Power: 1486-1914. J.M. Dent, 1975.
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