Não informado. (1883). Operator and electrical world. McGraw-Hill.
Style de citation Chicago (17e éd.)Não informado. Operator and Electrical World. New York: McGraw-Hill, 1883.
Style de citation MLA (8e éd.)Não informado. Operator and Electrical World. McGraw-Hill, 1883.
Attention : ces citations peuvent ne pas être correctes à 100%.