Iowa. Division of Old Age Assistance & Iowa. Old Age Assistance Commission. (1935). Annual report of the Division of Old Age Assistance. State of Iowa.
Chicago-referens (17:e uppl.)Iowa. Division of Old Age Assistance och Iowa. Old Age Assistance Commission. Annual Report of the Division of Old Age Assistance. Des Moines: State of Iowa, 1935.
MLA-referens (8:e uppl.)Iowa. Division of Old Age Assistance och Iowa. Old Age Assistance Commission. Annual Report of the Division of Old Age Assistance. State of Iowa, 1935.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.