Barrett, J. P. (1894). Electricity at the Columbian Exposition: Including an account of the exhibits in the Electricity Building, the power plant in Machinery Hall, the arc and incandescent lighting of the grounds and buildings ... etc. R.R. Donnelley.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিBarrett, John Patrick. Electricity at the Columbian Exposition: Including an Account of the Exhibits in the Electricity Building, the Power Plant in Machinery Hall, the Arc and Incandescent Lighting of the Grounds and Buildings ... Etc. Chicago: R.R. Donnelley, 1894.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিBarrett, John Patrick. Electricity at the Columbian Exposition: Including an Account of the Exhibits in the Electricity Building, the Power Plant in Machinery Hall, the Arc and Incandescent Lighting of the Grounds and Buildings ... Etc. R.R. Donnelley, 1894.