Não informado. (1919). Electrical Power Engineer. Electrical Power Engineers Association.
Chicagoスタイル(17版)引用形式Não informado. Electrical Power Engineer. Chertsey, Inglaterra: Electrical Power Engineers Association, 1919.
MLA(8版)引用形式Não informado. Electrical Power Engineer. Electrical Power Engineers Association, 1919.
警告: この引用は必ずしも正確ではありません.