Não informado. (1930). Metals review. American Society for Metals.
Chicagoスタイル(17版)引用形式Não informado. Metals Review. Cleveland, Ohio: American Society for Metals, 1930.
MLA(8版)引用形式Não informado. Metals Review. American Society for Metals, 1930.
警告: この引用は必ずしも正確ではありません.