United States. Census Office & United States. National Archives and Records Service. (1962). Index (soundex) to the population schedules of the tenth census of the United States: [Illinois]. National Archives and Records Service, General Services Administration.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)United States. Census Office và United States. National Archives and Records Service. Index (soundex) to the Population Schedules of the Tenth Census of the United States: [Illinois]. Washington, [D.C.]: National Archives and Records Service, General Services Administration, 1962.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)United States. Census Office và United States. National Archives and Records Service. Index (soundex) to the Population Schedules of the Tenth Census of the United States: [Illinois]. National Archives and Records Service, General Services Administration, 1962.