Não informado. (1936). Bulletin of the Iron and Steel Institute. Iron and Steel Institute.
Chicago (17e ed.) BronvermeldingNão informado. Bulletin of the Iron and Steel Institute. London: Iron and Steel Institute, 1936.
MLA (8e ed.) BronvermeldingNão informado. Bulletin of the Iron and Steel Institute. Iron and Steel Institute, 1936.
Let op: Deze citaties zijn niet altijd 100% accuraat.