Ayres Robert U., Ayres Leslie W., Rd̄e Ingrid, & International Institute for Environment and Development. The life cycle of copper, its co-products and by-products.
Chicago-referens (17:e uppl.)Ayres Robert U., Ayres Leslie W., Rd̄e Ingrid, och International Institute for Environment and Development. The Life Cycle of Copper, Its Co-products and By-products.
MLA-referens (9:e uppl.)Ayres Robert U., et al. The Life Cycle of Copper, Its Co-products and By-products.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.