APA (7e ed.) Bronvermelding

Não informado. Electrical developments. General Electric, National Lamp Works, Lamp Department.

Chicago (17e ed.) Bronvermelding

Não informado. Electrical Developments. New York: General Electric, National Lamp Works, Lamp Department.

MLA (8e ed.) Bronvermelding

Não informado. Electrical Developments. General Electric, National Lamp Works, Lamp Department.

Let op: Deze citaties zijn niet altijd 100% accuraat.