United States. National Archives and Records Service & Maxwell, R. S. (1971). Records of the Bureau of Insular Affairs: National Archives inventory record group 350. National Archives, National Archives and Records Service, General Services Administration.
Παραπομπή σε μορφή Chicago (17η εκδ.)United States. National Archives and Records Service και Richard S. Maxwell. Records of the Bureau of Insular Affairs: National Archives Inventory Record Group 350. Washington: National Archives, National Archives and Records Service, General Services Administration, 1971.
Παραπομπή σε μορφή MLA (8th εκδ.)United States. National Archives and Records Service και Richard S. Maxwell. Records of the Bureau of Insular Affairs: National Archives Inventory Record Group 350. National Archives, National Archives and Records Service, General Services Administration, 1971.