United Nations, International Council on Metals and the Environment, & United Nations Environment Programme Industry and Environment. (1996). Environmental practices in mining and metallurgical processes. UN.
Chicago Style (17. basım) AtıfUnited Nations, International Council on Metals and the Environment, ve United Nations Environment Programme Industry and Environment. Environmental Practices in Mining and Metallurgical Processes. New York: UN, 1996.
MLA (9th ed.) AtıfUnited Nations, et al. Environmental Practices in Mining and Metallurgical Processes. UN, 1996.
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