World Conference of Local governments, Washington, D. C. , 1961, & International Union of Local Authorities. (1962). Automation and mechanization in local government administration: Papers presented at the World Conference of Local Governments, June 15-20, 1961. M. Nijhoff for the International Union of Local Authorities.
Παραπομπή σε μορφή Chicago (17η εκδ.)World Conference of Local governments, Washington, D. C. , 1961, και International Union of Local Authorities. Automation and Mechanization in Local Government Administration: Papers Presented at the World Conference of Local Governments, June 15-20, 1961. The Hague: M. Nijhoff for the International Union of Local Authorities, 1962.
Παραπομπή σε μορφή MLA (9th εκδ.)World Conference of Local governments, Washington, D. C. , 1961, και International Union of Local Authorities. Automation and Mechanization in Local Government Administration: Papers Presented at the World Conference of Local Governments, June 15-20, 1961. M. Nijhoff for the International Union of Local Authorities, 1962.