Commonwealth Mining and Metallurgical Congress London. Proceedings of the Ninth Commonwealth Mining and Metallurgical Congress 1969. Inst. of Mining and Metallurgy.
Chicago-Zitierstil (17. Ausg.)Commonwealth Mining and Metallurgical Congress London. Proceedings of the Ninth Commonwealth Mining and Metallurgical Congress 1969. London: Inst. of Mining and Metallurgy.
MLA-Zitierstil (9. Ausg.)Commonwealth Mining and Metallurgical Congress London. Proceedings of the Ninth Commonwealth Mining and Metallurgical Congress 1969. Inst. of Mining and Metallurgy.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.