Não informado. (1972). Machinery and steel. Association of Austrian Machinery and Steel Construction Industries.
Chicago-Zitierstil (17. Ausg.)Não informado. Machinery and Steel. Vienna: Association of Austrian Machinery and Steel Construction Industries, 1972.
MLA-Zitierstil (8. Ausg.)Não informado. Machinery and Steel. Association of Austrian Machinery and Steel Construction Industries, 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.