Dyfyniad APA

Bright, A. A. (1972). The electric-lamp industry: Technological change and economic development from 1800 to 1947. New York: Arno Press.

Dyfyniad Arddull Chicago

Bright, Arthur Aaron. The Electric-lamp Industry: Technological Change and Economic Development From 1800 to 1947. New York: Arno Press, 1972.

Dyfyniad MLA

Bright, Arthur Aaron. The Electric-lamp Industry: Technological Change and Economic Development From 1800 to 1947. New York: Arno Press, 1972.

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