Não informado. (1923). Journal of Scientific Instruments. Institute of Physics.
Chicago (17e ed.) BronvermeldingNão informado. Journal of Scientific Instruments. London: Institute of Physics, 1923.
MLA (8e ed.) BronvermeldingNão informado. Journal of Scientific Instruments. Institute of Physics, 1923.
Let op: Deze citaties zijn niet altijd 100% accuraat.