Não informado. (1948). Metal Treatment and Drop Forging. Fuel and Metallurgical Journals.
Chicago (17e ed.) BronvermeldingNão informado. Metal Treatment and Drop Forging. London: Fuel and Metallurgical Journals, 1948.
MLA (8e ed.) BronvermeldingNão informado. Metal Treatment and Drop Forging. Fuel and Metallurgical Journals, 1948.
Let op: Deze citaties zijn niet altijd 100% accuraat.