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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBarrett, 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.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBarrett, 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.