Não informado. (1972). Machinery and steel. Association of Austrian Machinery and Steel Construction Industries.
Chicagoスタイル(17版)引用形式Não informado. Machinery and Steel. Vienna: Association of Austrian Machinery and Steel Construction Industries, 1972.
MLA(8版)引用形式Não informado. Machinery and Steel. Association of Austrian Machinery and Steel Construction Industries, 1972.
警告: この引用は必ずしも正確ではありません.