APA-viite (7. p.)
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.
Chicago-viite (17. p.)
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.
MLA-viite (9. p.)
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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