Não informado. (1948). Metal Treatment and Drop Forging. Fuel and Metallurgical Journals.
Citação do estilo Chicago (17ª ed.)Não informado. Metal Treatment and Drop Forging. London: Fuel and Metallurgical Journals, 1948.
Citação MLA (8ª ed.)Não informado. Metal Treatment and Drop Forging. Fuel and Metallurgical Journals, 1948.
警告：这些引文格式不一定是100％准确.