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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিWorld Conference of Local governments, Washington, D. C. , 1961, এবং 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.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিWorld Conference of Local governments, Washington, D. C. , 1961, এবং 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.