Não informado. Electrical developments. General Electric, National Lamp Works, Lamp Department.
Chicagoスタイル(17版)引用形式Não informado. Electrical Developments. New York: General Electric, National Lamp Works, Lamp Department.
MLA(8版)引用形式Não informado. Electrical Developments. General Electric, National Lamp Works, Lamp Department.
警告: この引用は必ずしも正確ではありません.