APA (7e ed.) Bronvermelding

Não informado. (1957). Industrial power systems. General Electric Company.

Chicago (17e ed.) Bronvermelding

Não informado. Industrial Power Systems. Schenectady, NY: General Electric Company, 1957.

MLA (8e ed.) Bronvermelding

Não informado. Industrial Power Systems. General Electric Company, 1957.

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