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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)World Conference of Local governments, Washington, D. C. , 1961, và 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.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)World Conference of Local governments, Washington, D. C. , 1961, và 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.