Não informado. (1948). Metal Treatment and Drop Forging. Fuel and Metallurgical Journals.
Chicago-Zitierstil (17. Ausg.)Não informado. Metal Treatment and Drop Forging. London: Fuel and Metallurgical Journals, 1948.
MLA-Zitierstil (8. Ausg.)Não informado. Metal Treatment and Drop Forging. Fuel and Metallurgical Journals, 1948.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.