(1987). Environmental aspects of Nickel production. Part 1. Sulphide pyrometallurgy and nickel refining: A technical review. United Nations Environment Programme.
Chicago Style (17th ed.) CitationEnvironmental Aspects of Nickel Production. Part 1. Sulphide Pyrometallurgy and Nickel Refining: A Technical Review. Paris: United Nations Environment Programme, 1987.
MLA (9th ed.) CitationEnvironmental Aspects of Nickel Production. Part 1. Sulphide Pyrometallurgy and Nickel Refining: A Technical Review. United Nations Environment Programme, 1987.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.