Dyfyniad APA

United States. National Archives and Records Service. (1980). "Inquiry documents": Special reports and studies, 1917-1919. The National Archives, National Archives and Records Service.

Dyfyniad Arddull Chicago

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.

Dyfyniad MLA

United States. National Archives and Records Service. "Inquiry Documents": Special Reports and Studies, 1917-1919. The National Archives, National Archives and Records Service, 1980.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.