(1972). Non-ferrous metals: (copper, aluminium, tin, lead and zinc) ; a survey of their production and potential in the developing countries. United Nations.
Chicago-Zitierstil (17. Ausg.)Non-ferrous Metals: (copper, Aluminium, Tin, Lead and Zinc) ; a Survey of Their Production and Potential in the Developing Countries. New York: United Nations, 1972.
MLA-Zitierstil (9. Ausg.)Non-ferrous Metals: (copper, Aluminium, Tin, Lead and Zinc) ; a Survey of Their Production and Potential in the Developing Countries. United Nations, 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.