Gatzke, H. W. (1950). Germany's Drive to the West (Drang Nach Westen): A Study of Germany's Western War Aims during the First World War. Johns Hopkins Press.
Citace podle Chicago (17th ed.)Gatzke, Hans W. Germany's Drive to the West (Drang Nach Westen): A Study of Germany's Western War Aims During the First World War. Baltimore: Johns Hopkins Press, 1950.
Citace podle MLA (9th ed.)Gatzke, Hans W. Germany's Drive to the West (Drang Nach Westen): A Study of Germany's Western War Aims During the First World War. Johns Hopkins Press, 1950.
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