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.
Lua i Stíl Chicago (17ú heag.)United States. National Archives and Records Service agus 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.
Lua MLA (8ú heag.)United States. National Archives and Records Service agus 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.