Παραπομπή σε μορφή APA (7η εκδ.)

Iowa. Division of Old Age Assistance & Iowa. Old Age Assistance Commission. (1935). Annual report of the Division of Old Age Assistance. State of Iowa.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Iowa. Division of Old Age Assistance και Iowa. Old Age Assistance Commission. Annual Report of the Division of Old Age Assistance. Des Moines: State of Iowa, 1935.

Παραπομπή σε μορφή MLA (8th εκδ.)

Iowa. Division of Old Age Assistance και Iowa. Old Age Assistance Commission. Annual Report of the Division of Old Age Assistance. State of Iowa, 1935.