United States War Dept. General Staff & Ayres, L. P. (1919). The war with Germany: A statistical summary. Government Printing Office.
Citace podle Chicago (17th ed.)United States War Dept. General Staff a Leonard Porter Ayres. The War with Germany: A Statistical Summary. Washington: Government Printing Office, 1919.
Citace podle MLA (9th ed.)United States War Dept. General Staff a Leonard Porter Ayres. The War with Germany: A Statistical Summary. Government Printing Office, 1919.
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