International Conference Secondary Metallurgy Aachen. (1987). Preprints: Proceedings of the Internat. Conf. Secondary metallurgy, Aachen, Sept. 21 - 23, 1987, Fed. Republic of Germany. Verl. Stahleisen.
Chicago-Zitierstil (17. Ausg.)International Conference Secondary Metallurgy Aachen. Preprints: Proceedings of the Internat. Conf. Secondary Metallurgy, Aachen, Sept. 21 - 23, 1987, Fed. Republic of Germany. Düsseldorf: Verl. Stahleisen, 1987.
MLA-Zitierstil (9. Ausg.)International Conference Secondary Metallurgy Aachen. Preprints: Proceedings of the Internat. Conf. Secondary Metallurgy, Aachen, Sept. 21 - 23, 1987, Fed. Republic of Germany. Verl. Stahleisen, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.