Não informado. (1909). Journal of the Institute of Metals. Institute of Metals.
Chicago (17e ed.) BronvermeldingNão informado. Journal of the Institute of Metals. London: Institute of Metals, 1909.
MLA (8e ed.) BronvermeldingNão informado. Journal of the Institute of Metals. Institute of Metals, 1909.
Let op: Deze citaties zijn niet altijd 100% accuraat.