APA (7e ed.) Bronvermelding

Não informado. (1928). Instruments: The magazine of measurement and control. Instruments Publishing.

Chicago (17e ed.) Bronvermelding

Não informado. Instruments: The Magazine of Measurement and Control. Pontiac, Ill: Instruments Publishing, 1928.

MLA (8e ed.) Bronvermelding

Não informado. Instruments: The Magazine of Measurement and Control. Instruments Publishing, 1928.

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