United States. National Archives and Records Service. (1980). "Inquiry documents": Special reports and studies, 1917-1919. The National Archives, National Archives and Records Service.
Čikaški stil citiranja (17. izdanje)United States. National Archives and Records Service. "Inquiry Documents": Special Reports and Studies, 1917-1919. Washington: The National Archives, National Archives and Records Service, 1980.
MLA način citiranja (8. izdanje)United States. National Archives and Records Service. "Inquiry Documents": Special Reports and Studies, 1917-1919. The National Archives, National Archives and Records Service, 1980.
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