Não informado. Electrical developments. General Electric, National Lamp Works, Lamp Department.
Cita Chicago Style (17a ed.)Não informado. Electrical Developments. New York: General Electric, National Lamp Works, Lamp Department.
Cita MLA (8a ed.)Não informado. Electrical Developments. General Electric, National Lamp Works, Lamp Department.
Precaución: Estas citas no son 100% exactas.