Tuchman, B. W. (1966). The proud tower: A portrait of the world before the war, 1890-1914. New York: Macmillan.
Trích dẫn kiểu ChicagoTuchman, Barbara Wertheim. The Proud Tower: A Portrait of the World Before the War, 1890-1914. New York: Macmillan, 1966.
Deismireacht MLATuchman, Barbara Wertheim. The Proud Tower: A Portrait of the World Before the War, 1890-1914. New York: Macmillan, 1966.
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